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

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 …

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

The English prefixes syn- along with its variant sym-, derived from Greek, mean “together.” You can remember syn- easily by thinking of syn onym, which is a word that goes “together” with …

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