The Art of Choosing and Apollo 13 Vocabulary

Front

critical (adjective)

Back

urgently needed; absolutely necessary

Front

imperative (noun)

Back

a command or order

Front

makeshift (adjective)

Back

contrived to meet an urgent need or emergency

Front

proverbial (adjective)

Back

relating to a cliche or well-known idiom

Front

squander (verb)

Back

to waste in a reckless manner

Front

treacherous (adjective)

Back

untrustworthy; dangerous

Front

deplete (verb)

Back

to use up; to reduce

Front

devise (verb)

Back

to create or invent something for a particular purpose

Front

formidable (adjective)

Back

causing fear or dread; intimidating

Front

potential (adjective)

Back

possible; capable of happening or becoming real