Spoilt and perfect

undermine
(v)
un-dǝr-MINE
Meaning

weaken; sap

1st Sample Sentence

Your essay is essentially very well done, but the many errors of language seriously undermine its merits.

Synonyms

beleaguer, hamper, impair, scuttle, thwart, undermine

Antonyms

abet

Mnemonics

UNDERMINE. Minining under the earth would GRADUALLY WEAKEN strength of soil and rock

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