Words

noun

1. grass; weed; herb; thatch

   月には草が生えて無い。

   There is no grass on the moon.

   View on Tatoeba
2. ninja

   archaic

3. marijuana; cannabis

   slang

prefix

1. not genuine; substandard

expressions

1. LOL; haha

   Internet slang; from multiple repetitions of "w" ("LOL") resembling grass: wwwwww

noun, adjectival nouns or quasi-adjectives

1. vibrancy; strength; bravery; manliness
2. one's prime (around age 30; esp. of a man)

counter

1. counter for cones or sticks of moxa burned on the skin (in moxibustion)

   also written as 草

noun

1. draft; rough copy
2. highly cursive style (of writing Chinese characters); grass style

   abbreviation