Add vs. Fill — What's the Difference?

Join (something) to something else so as to increase the size, number, or amount

To put something into (a container, for example) to capacity or to a desired level

Put in (an additional element, ingredient, etc.)

To supply or provide to the fullest extent

Put together (two or more numbers or amounts) to calculate their total value

To build up the level of (low-lying land) with material such as earth or gravel.

Say as a further remark

To stop or plug up (an opening, for example).

To join or combine (numbers) through addition

To repair a cavity of (a tooth).

To join or unite so as to increase in size, quantity, quality, or scope

To add a foreign substance to (cloth or wood, for example).

To say or write further.

To flow or move into (a container or area), often to capacity

To find a sum in arithmetic.

To pervade

To constitute an addition

To satiate, as with food and drink

To create or make an addition

To engage or occupy completely

(transitive) To join or unite (e.g. one thing to another, or as several particulars) so as to increase the number, augment the quantity, or enlarge the magnitude, or so as to form into one aggregate.

To satisfy or meet; fulfill

To sum up; to put together mentally; to add up.

To supply what is specified by or required for

(transitive) To combine elements of (something) into one quantity.

To put a person into (a job or position)

(transitive) To give by way of increased possession (to someone); to bestow (on).

To discharge the duties of; occupy

(transitive) To append (e.g. a statement); to say further information; to add on.

To cover the surface of (an inexpensive metal) with a layer of precious metal, such as gold.

(intransitive) To make an addition; to augment; to increase; to add on.

To cause (a sail) to swell.

To perform the arithmetical operation of addition.

To adjust (a yard) so that wind will cause a sail to swell.

To summon minions or reinforcements.

To become full

(radio) The addition of a song to a station's playlist.

An amount needed to make full, complete, or satisfied

(computer science) An act or instance of adding.

Material for filling a container, cavity, or passage.

(video games) An additional enemy that joins a fight after the primary target.

A built-up piece of land; an embankment.

To give by way of increased possession (to any one); to bestow (on).

The material, such as earth or gravel, used for this.

To join or unite, as one thing to another, or as several particulars, so as to increase the number, augment the quantity, enlarge the magnitude, or so as to form into one aggregate. Hence: To sum up; to put together mentally; as, to add numbers; to add up a column.

(transitive) To occupy fully, to take up all of.

To append, as a statement; to say further.

(transitive) To add contents to (a container, cavity, or the like) so that it is full.

To make an addition. To add to, to augment; to increase; as, it adds to our anxiety.

To enter (something), making it full.

To perform the arithmetical operation of addition; as, he adds rapidly.

(intransitive) To become full.

A condition (mostly in boys) characterized by behavioral and learning disorders

(intransitive) To become pervaded with something.

Make an addition (to); join or combine or unite with others; increase the quality, quantity, zise or scope of;

(transitive) To satisfy or obey (an order, request, or requirement).

State or say further;

(transitive) To install someone, or be installed, in (a position or office), eliminating a vacancy.

Bestow a quality on;

(transitive) To treat (a tooth) by adding a dental filling to it.

Make an addition by combining numbers;

(transitive) To fill or supply fully with food; to feed; to satisfy.

Determine the sum of;

To trim (a yard) so that the wind blows on the after side of the sails.

Constitute an addition;

To have sexual intercourse with (a female).

(after a possessive) A sufficient or more than sufficient amount.

An amount that fills a container.

The filling of a container or area.

Inexpensive material used to occupy empty spaces, especially in construction.

(archaeology) Soil and/or human-created debris discovered within a cavity or cut in the layers and exposed by excavation; fill soil.

An embankment, as in railroad construction, to fill a hollow or ravine; also, the place which is to be filled.

(music) A short passage, riff, or rhythmic sound that helps to keep the listener's attention during a break between the phrases of a melody.

One of the thills or shafts of a carriage.

One of the thills or shafts of a carriage.

A full supply, as much as supplies want; as much as gives complete satisfaction.

That which fills; filling; filler; specif., an embankment, as in railroad construction, to fill a hollow or ravine; also, the place which is to be filled.

To make full; to supply with as much as can be held or contained; to put or pour into, till no more can be received; to occupy the whole capacity of.

To furnish an abudant supply to; to furnish with as mush as is desired or desirable; to occupy the whole of; to swarm in or overrun.

To fill or supply fully with food; to feed; to satisfy.

To possess and perform the duties of; to officiate in, as an incumbent; to occupy; to hold; as, a king fills a throne; the president fills the office of chief magistrate; the speaker of the House fills the chair.

To supply with an incumbent; as, to fill an office or a vacancy.

To press and dilate, as a sail; as, the wind filled the sails.

To make an embankment in, or raise the level of (a low place), with earth or gravel.

To become full; to have the whole capacity occupied; to have an abundant supply; to be satiated; as, corn fills well in a warm season; the sail fills with the wind.

To fill a cup or glass for drinking.

A quantity sufficient to satisfy;

Any material that fills a space or container;

Make full, also in a metaphorical sense;

Become full;

Occupy the whole of;

Assume, as of positions or roles;

Fill or meet a want or need

Appoint someone to (a position or a job)

Eat until one is sated;

Fill to satisfaction;

Plug with a substance;