whip has 16 distinct synonyms spread across 7 of its 11 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. WordNet records no antonym for it — antonymy is a relation between word forms rather than concepts, so it is deliberately sparse.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
thrash about flexibly in the manner of a whiplash
“The tall grass whipped in the wind”
an instrument with a handle and a flexible lash that is used for whipping
Synonyms, antonyms and the broader and narrower relations for whip come from Princeton University’s WordNet. Full sources and licences.
a dessert made of sugar and stiffly beaten egg whites or cream and usually flavored with fruit
(golf) the flexibility of the shaft of a golf club