[ 'sɪnənɪm ]
■ noun a word or phrase that means the same as another word or phrase in the same language, e.g. shut and close .
Derivatives
~ic adjective
~ity noun
~y sɪ'nɒnɪmi noun
Origin
ME: via L. from Gk sunōnumon , neut. of the adjective sunōnumos , from sun- 'with' + onoma 'name'.