Deep vs. Long — What's the Difference?

Extending far down from the top or surface

Extending or traveling a relatively great distance.

Very intense or extreme

Having relatively great height; tall.

(of sound) low in pitch and full in tone; not shrill

Having the greater length of two or the greatest length of several

(of colour) dark and intense

Of relatively great duration

The sea

Of a specified linear extent or duration

The part of the field distant from the batsman.

Made up of many members or items

Far down or in; deeply

Extending beyond an average or standard

Extending far downward below a surface

Extending or landing beyond a given boundary, limit, or goal

Extending far inward from an outer surface

Tediously protracted; lengthy

Extending far backward from front to rear

Concerned with distant issues; far-reaching

Extending far from side to side from a center

Involving substantial chance; risky

Far distant down or in

Having an abundance or excess of

Coming from or penetrating to a depth

Having a holding of a commodity or security in expectation of a rise in price

(Sports) Located or taking place near the outer boundaries of the area of play

(Linguistics) Having a comparatively great duration. Used of a vowel or consonant.

Extending a specific distance in a given direction

(Grammar) Relating to or being the English speech sounds (ā, ē, ī, ō, ) that are tense vowels or diphthongs.

Far distant in time or space

Being of relatively great duration. Used of a syllable in quantitative prosody.

Difficult to penetrate or understand; recondite

During or for an extended period of time

Of a mysterious or obscure nature

At or to a considerable distance; far

Very learned or intellectual; wise

Beyond a given boundary, limit, or goal

Exhibiting great cunning or craft

For or throughout a specified period

Of a grave or extreme nature

At a point of time distant from that referred to

Very absorbed or involved

Into or in a long position, as of a commodity market.

Profound in quality or feeling

A long time

Rich and intense in shade. Used of a color

(Linguistics) A long syllable, vowel, or consonant.

Low in pitch; resonant

One who acquires holdings in a security or commodity in expectation of a rise in price.

Covered or surrounded to a designated degree. Often used in combination

A garment size for a tall person.

Large in quantity or size; big

Longs Trousers extending to the feet or ankles.

(Sports) Having a sufficient number of capable reserve players

To have an earnest, heartfelt desire, especially for something beyond reach.

To a great depth; deeply

Having much distance from one terminating point on an object or an area to another terminating point usually applies to horizontal dimensions; see Usage Notes below.

Well along in time; late

Having great duration.

(Sports) Close to the outer boundaries of the area of play

Seemingly lasting a lot of time, because it is boring or tedious or tiring.

A deep place in land or in a body of water

Not short; tall.

A vast, immeasurable extent

(finance) Possessing or owning stocks, bonds, commodities or other financial instruments with the aim of benefiting of the expected rise in their value.

The extent of encompassing time or space; firmament.

(cricket) Of a fielding position, close to the boundary (or closer to the boundary than the equivalent short position).

The most intense or extreme part

Landing beyond the baseline, and therefore deemed to be out.

The ocean.

(gambling) Of betting odds, offering a very large return for a small wager.

(Nautical) A sounding that falls between marks on a lead line and thus corresponds to an estimated depth rather than a precise depth.

Occurring or coming after an extended interval; distant in time; far away.

Extending far away from a point of reference, especially downwards.

(archaic) On account of, because of.

Extending far down from the top, or surface, to the bottom, literally or figuratively.

(linguistics) A long vowel.

Far in extent in another (non-downwards, but generally also non-upwards) direction away from a point of reference.

(prosody) A long syllable.

(in combination) Extending to a level or length equivalent to the stated thing.

(music) A note formerly used in music, one half the length of a large, twice that of a breve.

In a (specified) number of rows or layers.

(programming) A long integer variable, twice the size of an int, two or four times the size of a short, and half of a long long.

Thick.

(finance) An entity with a long position in an asset.

Voluminous.

(finance) A long-term investment.

Positioned or reaching far, especially down through something or into something.

The long summer vacation at the English universities.

Complex, involved.

Longitude

Profound, having great meaning or import, but possibly obscure or not obvious.

To take a long position in.

Significant, not superficial, in extent.

(intransitive) To await, aspire, desire greatly (something to occur or to be true).

Hard to penetrate or comprehend; profound; intricate; obscure.

(archaic) To be appropriate to, to pertain or belong to.

Of penetrating or far-reaching intellect; not superficial; thoroughly skilled; sagacious; cunning.

(obsolete) To belong.

Low in pitch.

Over a great distance in space.

(of a color or flavour) Highly saturated; rich.

For a particular duration.

(sleep) Sound, heavy (describing a state of sleep from which one is not easily awoken).

For a long duration.

Muddy; boggy; sandy; said of roads.

Drawn out in a line, or in the direction of length; protracted; extended; as, a long line; - opposed to short, and distinguished from broad or wide.

(of time) Distant in the past, ancient.

Drawn out or extended in time; continued through a considerable tine, or to a great length; as, a long series of events; a long debate; a long drama; a long history; a long book.

Far, especially far down through something or into something, physically or figuratively.

Slow in passing; causing weariness by length or duration; lingering; as, long hours of watching.

(also deeply) In a profound, not superficial, manner.

Occurring or coming after an extended interval; distant in time; far away.

(also deeply) In large volume.

Having a length of the specified measure; of a specified length; as, a span long; a yard long; a mile long, that is, extended to the measure of a mile, etc.

(sports) Back towards one's own goal, baseline, or similar.

Far-reaching; extensive.

The deep part of a lake, sea, etc.

Having a supply of stocks or goods; prepared for, or depending for a profit upon, advance in prices; as, long of cotton. Hence, the phrases: to be, or go, long of the market, to be on the long side of the market, to hold products or securities for a rise in price, esp. when bought on a margin. Contrasted to short.

(with "the") The sea, the ocean.

A note formerly used in music, one half the length of a large, twice that of a breve.

A deep hole or pit, a water well; an abyss.

A long sound, syllable, or vowel.

A silent time; quiet isolation.

The longest dimension; the greatest extent; - in the phrase, the long and the short of it, that is, the sum and substance of it.

(rare) A deep shade of colour.

To a great extent in space; as, a long drawn out line.

The profound part of a problem.

To a great extent in time; during a long time.

(cricket) A fielding position near the boundary.

At a point of duration far distant, either prior or posterior; as, not long before; not long after; long before the foundation of Rome; long after the Conquest.

Extending far below the surface; of great perpendicular dimension (measured from the surface downward, and distinguished from high, which is measured upward); far to the bottom; having a certain depth; as, a deep sea.

Through the whole extent or duration.

Extending far back from the front or outer part; of great horizontal dimension (measured backward from the front or nearer part, mouth, etc.); as, a deep cave or recess or wound; a gallery ten seats deep; a company of soldiers six files deep.

Through an extent of time, more or less; - only in question; as, how long will you be gone?

Low in situation; lying far below the general surface; as, a deep valley.

By means of; by the fault of; because of.

Hard to penetrate or comprehend; profound; - opposed to shallow or superficial; intricate; mysterious; not obvious; obscure; as, a deep subject or plot.

To feel a strong or morbid desire or craving; to wish for something with eagerness; - followed by an infinitive, or by for or after.

Of penetrating or far-reaching intellect; not superficial; thoroughly skilled; sagacious; cunning.

To belong; - used with to, unto, or for.

Profound; thorough; complete; unmixed; intense; heavy; heartfelt; as, deep distress; deep melancholy; deep horror.

A comparatively long time;

Strongly colored; dark; intense; not light or thin; as, deep blue or crimson.

Desire strongly or persistently

Of low tone; full-toned; not high or sharp; grave; heavy.

Primarily temporal sense; being or indicating a relatively great or greater than average duration or passage of time or a duration as specified;

Muddy; boggy; sandy; - said of roads.

Primarily spatial sense; of relatively great or greater than average spatial extension or extension as specified;

To a great depth; with depth; far down; profoundly; deeply.

Of relatively great height;

That which is deep, especially deep water, as the sea or ocean; an abyss; a great depth.

Holding securities or commodities in expectation of a rise in prices;

That which is profound, not easily fathomed, or incomprehensible; a moral or spiritual depth or abyss.

Of speech sounds (especially vowels) of relatively long duration (as e.g. the English vowel sounds in `bate', `beat', `bite', `boat', `boot')

The central and most intense or profound part;

Used of syllables that are unaccented or of relatively long duration

A long steep-sided depression in the ocean floor

Involving substantial risk;

Literary term for an ocean;

(of memory) having greater than average range;

Relatively deep or strong; affecting one deeply;

Planning prudently for the future;

Marked by depth of thinking;

Having or being more than normal or necessary:

Having great spatial extension or penetration downward or inward from an outer surface or backward or laterally or outward from a center; sometimes used in combination;

For an extended time or at a distant time;

Very distant in time or space;

For an extended distance

Extreme;

Having or denoting a low vocal or instrumental range;

Strong; intense;

Relatively thick from top to bottom;

Extending relatively far inward;

(of darkness) very intense;

Large in quantity or size;

With head or back bent low;

Of an obscure nature;

Difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge;

Exhibiting great cunning usually with secrecy;

To a great depth;

To an advanced time;

To far into space;