Autoantonyms: Words that are the opposite of themselves!

Antonyms refer to words with opposite meanings but autoantonyms are even more interesting - they are words that are the opposite of themselves or words with contradictory meanings.

Here are some examples of autoantonyms:

rent; to lend; lease out
verb; to borrow; hire

fine; just meets minimum standards; satisfactory
adjective; considerably better than average; excellent

comprise; to contain; include
verb; to be composed of; consist of

Dust is interesting because it can go either way: dust the furniture (a sort of natural covering to be removed) vs. dust the crops (put stuff on them that they didn't have and wouldn't unless humans put it there).

More Autoantonyms are listed on Nym Words.