Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings

to differ by; to be short of; to lack; to be missing

(bound form) what; used only in the word 什么 shén​me

(bound form) Suffix used to form question words and certain adverbs, such as 什么 shén​me, 怎么 zěn​me, and 那么 nà​me