Definitions
hollow out as if making a cave or opening
Word origin
From under- + mine.
Used in a sentence
“Martin, for instance, had on one occasion undermined a tree sacred to old gods, then stood in the path of its fall, but forced it to fall elsewhere by making the sign of the Cross.”
“The war efforts were undermined by the constant bickering between the allies.”
“The penile mishaps (one involving a bristled toothbrush), severings (one involves hungry ducks) and surgeries cited by Ms. Roach are nothing if not memorable, but her book consistently undermines its own discoveries.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Erode from below”9 letters
02“Weaken secretly”9 letters
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