To fertilize (an ovum, for example).
To introduce or inject semen into the reproductive tract of a female.
To spread fertilizer on:
To generate; to produce.
Find another word for knock-up. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for knock-up, like: impregnate, make pregnant, inseminate, fertilize, propagate, get pregnant, procreate, spermatize, bang-up and prang up.