Grass vs Marijuana

When to use each in English, with meaning, register, and examples.

Grass

Top 1,000 (very common) A2 noun

Marijuana

Informal Top 2,000 (common)

Most formal: Grass Most common: Grass

	Grass	Marijuana
Pronunciation	🇬🇧 /["/ɡrɑːs/"]/ 🇺🇸 /["/ɡræs/"]/	🇬🇧 //ˌmærɪˈdʒuːənə// 🇺🇸 //ˌmɛrəˈwɑːnə//
Meaning	A green plant that covers the ground.	A plant often used for its effects as a drug.
Example	The children love to play on the grass in the park.	Many people use marijuana for its relaxing effects.
Register	Neutral	Informal
How common	Top 1,000 (very common)	Top 2,000 (common)
CEFR level	A2	-
Part of speech	noun
Collocations	green, coarse, rough, blade, clump, tuft, eat, cut, mow, grow, clippings, cuttings, seed, across the grass, in the grass, on the grass, green, coarse, rough, blade, clump, tuft, eat, cut, mow, grow, clippings, cuttings, seed, across the grass, in the grass, on the grass, green, coarse, rough, blade, clump, tuft, eat, cut, mow, grow, clippings, cuttings, seed, across the grass, in the grass, on the grass	smoke marijuana, marijuana use, legalize marijuana, marijuana effects, marijuana edibles
Antonyms	dirt, concrete, asphalt	conventional drug, stimulant
Common mistakes	Confusing 'grass' with 'grassland' (which refers to a larger area)., Using 'grasses' as a singular form instead of 'grass'., Using 'grass' to refer to plants other than true grasses.	Confused with 'hemp' - hemp has different legal uses., Using 'marijuana' when, technically, 'cannabis' is more accurate in formal contexts.
Usage notes	Used in both casual and more formal contexts. It's appropriate when discussing nature, landscaping, or sports. Avoid using in very technical or scientific contexts unless specifying a type of grass.	Generally used in informal contexts. In formal discussions, refer to 'cannabis'. Consider cultural sensitivities surrounding its use.

Frequently asked questions: Grass vs Marijuana

What's the difference between Grass and Marijuana?

Grass: A green plant that covers the ground. Marijuana: A plant often used for its effects as a drug.

Which is more formal: Grass and Marijuana?

Grass is the most formal of these.

Which is more common: Grass and Marijuana?

Grass is the most common in everyday English.

Can you show an example of each?

Grass: The children love to play on the grass in the park. Marijuana: Many people use marijuana for its relaxing effects.

Can I use Grass and Marijuana interchangeably?

Not always. Grass and Marijuana are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.