The meaning of SYN- is with : along with : together. How to use syn- in a sentence.

Find 4 different ways to say SYNONYM, along with antonyms, related words, and example sentences at Thesaurus.com.

Definition of 'syn' syn in British English (saɪn , sɪn ) adverb, preposition, conjunction

SYN- definition: a prefix occurring in loanwords from Greek, having the same function as co- (synthesis; synoptic ); used, with the meaning “with,” “together,” in the formation of compound words …

Jul 8, 2025 · Internationalism (see English syn-), ultimately from Ancient Greek συν- (sun-).

syn- a prefix occurring orig. in loanwords from Greek, meaning “with,” “together”: syncarpous; synchronous; synthesis. For variants before certain consonants, see sy-, syl-, sym-.

syn-, prefix meanings, etymology, pronunciation and more in the Oxford English Dictionary

"together with, jointly; alike; at the same time," also sometimes completive or… See origin and meaning of syn-.

Syn. definition: Together; with.

This dictionary definitions page includes all the possible meanings, example usage and translations of the word SYN-. Did you actually mean synonym or synonymy?