spring has 22 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.
the season of growth
“the emerging buds were a sure sign of spring”
a metal elastic device that returns to its shape or position when pushed or pulled or pressed
“the spring was broken”
a natural flow of ground water
a point at which water issues forth
the elasticity of something that can be stretched and returns to its original length
Synonyms, antonyms and the broader and narrower relations for spring come from Princeton University’s WordNet. Full sources and licences.
develop into a distinctive entity
“our plans began to take shape”
develop suddenly
“The tire sprang a leak”
produce or disclose suddenly or unexpectedly
“He sprang these news on me just as I was leaving”