[ si-non-uh-mee ]
/ sɪˈnɒn ə mi /
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noun, plural syn·on·y·mies for 3, 4.
the quality of being synonymous; equivalence in meaning.
the study of synonyms.
a set, list, or system of synonyms.
Biology. a list of the scientific names, with explanatory matter and location of type or types, for a particular taxonomic group.
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
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Origin of synonymy

1600–10; <Late Latin synōnymia<Greek synōnymía.See synonymous, -y3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use synonymy in a sentence

British Dictionary definitions for synonymy

/ (sɪˈnɒnɪmɪ) /

noun plural -mies
the study of synonyms
the character of being synonymous; equivalence
a list or collection of synonyms, esp one in which their meanings are discriminated
biology a collection of the synonyms of a species or group
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012