出典:Wiktionary
Probably from a dialectal variant of snithe (“sharp, cutting, cold”).[1] See snithe (adjective).
Alternatively, possibly a metathetic corruption of Middle English snythand (“piercing (the heart), cold, biting”, literally and figuratively). More at snithe (verb).
snide (comparative snider, superlative snidest)
snide (countable かつ uncountable, 複数形 snides)