Princeton's WordNet
impregnate, knock up, bang up, prang up(verb)
make pregnant
Synonyms:
knock up, saturate, tincture, smash up, bang up, infuse, smash, impregnate, prang up, instill
Dictionary of English Synonymes
knock up
Synonyms:
[Colloquial.] fatigue, beat out, weary, exhaust, tire, fag
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