long/short 

big/little 

fast/slow 

cold/hot 

dark/light


rise/fall 

up/down

 in/out


San Jose State University

When word senses of two different word are opposite in meaning then thoses two word senses are called antonyms.
Two words are antonyms if their position on a sacle or direction are oppposite.

Antonymy

An on-going but a helpful book resource about NLP
https://web.stanford.edu/~jurafsky/slp3/

Speech and Language Processing (3rd ed. draft) 

Examples of  antonym pairs

Reversives are antonyms which represent meanings of words that change or move in opposite directions.

rise/fall


up/down

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