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  1. SYN- Definition & Meaning - Merriam-Webster

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

  2. SYN definition and meaning | Collins English Dictionary

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

  3. syn- - Wiktionary, the free dictionary

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

  4. SYN- Definition & Meaning | Dictionary.com

    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 …

  5. syn-, prefix meanings, etymology and more | Oxford English Dictionary

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

  6. Syn - definition of syn by The Free Dictionary

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

  7. Synonyms and Antonyms of Words | Thesaurus.com

    Thesaurus.com is the world's largest and most trusted online thesaurus for 25+ years. Join millions of people and grow your mastery of the English language.

  8. Syn- - Etymology & Meaning of the Prefix - Etymonline

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

  9. Syn. Definition & Meaning | YourDictionary

    Syn. definition: Together; with.

  10. syn- - WordReference.com Dictionary of English

    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, …