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

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 …

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

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

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

Syn. definition: Together; with.

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

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

syn-, prefix. syn- comes from Greek, where it has the meaning "with; together.'' This meaning is found in such words as: idiosyncrasy, photosynthesis, synagogue, synchronize, synchronous, synonym, …

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