Weed vs. Marijuana — What's the Difference?

A weed is a plant considered undesirable in a particular situation, "a plant in the wrong place". Examples commonly are plants unwanted in human-controlled settings, such as farm fields, gardens, lawns, and parks.

Cannabis, especially as smoked or consumed as a psychoactive (mind-altering) drug

A plant considered undesirable, unattractive, or troublesome, especially one that grows where it is not wanted and often grows or spreads fast or takes the place of desired plants.

The cannabis plant.

An aquatic plant or alga, especially seaweed.

The dried flower clusters and leaves of this plant, smoked or ingested to induce euphoria or to treat the symptoms of certain medical conditions. Use of marijuana is illegal under federal law, but certain jurisdictions permit regulated use for medical or recreational purposes.

Something considered useless, detrimental, or worthless.

The inflorescence of the Cannabis sativa plant, smoked or ingested for euphoric effect.

Tobacco.

The hemp plant itself, Cannabis sativa.

A cigarette.

A strong-smelling Asian plant (Cannabis sativa), also called hemp, from which a number of euphorogenic and halucinogenic drugs are prepared. The euphoric effect is predominently due to tetrahydrocannabinol (THC).

Marijuana.

The dried leaves or the female flowers of the hemp plant, which is smoked or chewed to obtain a euphoric effect. The flowers usually have a higher concentration of the active ingredient, tetrahydrocannabinol.

A token of mourning, as a black band worn on a man's hat or sleeve.

A strong-smelling plant from whose dried leaves a number of euphoriant and hallucinogenic drugs are prepared

Weeds The black mourning clothes of a widow.

The most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect

Often weeds(Archaic) An article of clothing; a garment.

To clear of weeds

To remove (weeds). Often used with out

To eliminate as unsuitable or unwanted. Often used with out

To remove weeds.

(countable) Any plant unwanted at the place where and at the time when it is growing.

Underbrush; low shrubs.

A drug or the like made from the leaves of a plant.

Cannabis.

Tobacco.

A cigar.

(countable) A weak horse, which is therefore unfit to breed from.

A puny person; one who has little physical strength.

Something unprofitable or troublesome; anything useless.

(archaic) A garment or piece of clothing.

(archaic) Clothing collectively; clothes, dress.

(archaic) An article of dress worn in token of grief; a mourning garment or badge.

(archaic) Especially in the plural as widow's weeds: (female) mourning apparel.

(Scotland) A sudden illness or relapse, often attended with fever, which befalls those who are about to give birth, are giving birth, or have recently given birth or miscarried or aborted.

(Scotland) Lymphangitis in a horse.

To remove unwanted vegetation from a cultivated area.

(figurative) To pilfer the best items from a collection.

(library science) To systematically remove materials from a library collection based on a set of criteria.

Simple past tense and past participle of wee

A garment; clothing; especially, an upper or outer garment.

An article of dress worn in token of grief; a mourning garment or badge; as, he wore a weed on his hat; especially, in the plural, mourning garb, as of a woman; as, a widow's weeds.

A sudden illness or relapse, often attended with fever, which attacks women in childbed.

Underbrush; low shrubs.

Any plant growing in cultivated ground to the injury of the crop or desired vegetation, or to the disfigurement of the place; an unsightly, useless, or injurious plant.

Fig.: Something unprofitable or troublesome; anything useless.

An animal unfit to breed from.

Tobacco, or a cigar.

To free from noxious plants; to clear of weeds; as, to weed corn or onions; to weed a garden.

To take away, as noxious plants; to remove, as something hurtful; to extirpate; - commonly used with out; as, to weed out inefficiency from an enterprise.

To free from anything hurtful or offensive.

To reject as unfit for breeding purposes.

Any plant that crowds out cultivated plants

Street names for marijuana

Clear of weeds;