Words that are their own antonyms

anabasis - military advance, military retreat

aught - all, nothing

bolt - secure, run away

by - multiplication, division

chuffed - pleased, annoyed

cleave - separate, adhere

clip - fasten, detach

consult - ask for advice, give advice

copemate - partner, antagonist

custom - usual, special

dike - wall, ditch

dollop - a large amount, a small amount

dust - add fine particles, remove fine particles

enjoin - prescribe, prohibit

fast - quick, unmoving

first degree - most severe (e.g., murder), least severe (e.g., burn)

fix - restore, castrate

garnish - enhance (e.g., food), curtail (e.g., wages)

give out - produce, stop production

grade - incline, level

handicap - advantage, disadvantage

help - assist, prevent (e.g., “I can’t help it if…”)

left - remaining, departed from

liege - sovereign lord, loyal subject

mean - average, excellent (e.g., “plays a mean game”)

off - off, on (e.g., “the alarm went off”)

out - visible (e.g., stars), invisible (e.g., lights)

out of - outside, inside (e.g., “work out of one’s home”)

put out - extinguish, generate (e.g., something putting out light)

quite - rather, completely

rent - buy use of, sell use of

sanction - approve, boycott

screen - show, hide

seed - add seeds (e.g., “to seed a field”), remove seeds (e.g., “to seed a tomato”)

strike - hit, miss (in baseball)

table - propose (in the UK), set aside (in the US)

transparent - invisible, obvious

variety - one type (e.g., “this variety”), many types (e.g., “a variety”)

wear - endure through use, decay through use

weather - withstand, wear away

wind up - end, start up (e.g., a watch)

with - alongside, against

via MILITANTPLATYPUS