overhaul

/ˈoʊvɚˌhɑl/noun

A thorough repair or complete redesign of something.

Example sentences

“The old kitchen needs a full overhaul before we can sell the house.”
“The government promised a major overhaul of the tax system.”

Also a verb; like many such pairs, the noun stresses the first syllable and the verb the last.

Synonyms for overhaul

revamp
renovation
refit
shake-up

Related words

overlookTo fail to notice or consider something, often something important.overcomeTo succeed in dealing with a problem, fear, or difficulty that was holding you back.overseasLocated in or connected with a foreign country, typically one across an ocean.outweighTo be more important, valuable, or significant than something else.overshadowTo make someone or something seem less important or less noticeable by comparison.outrageousSo shocking or unacceptable that it makes people angry.