What does synonym mean?
A synonym is a word or expression that has the same or nearly the same meaning as another word or expression. It is commonly used in writing and editing to avoid repetition, adjust tone, improve clarity, or make language more accessible. Exact synonyms convey substantially the same meaning, while near synonyms overlap in meaning but may differ in connotation, formality, regional usage, or the contexts in which they sound natural. For example, “large” and “sizeable” may be near synonyms, but one may suit a technical description better than the other. The verb “synonym” means to substitute an equivalent word or expression, though this use is relatively uncommon outside formal editing and lexicographical work. Although synonyms can enrich a sentence, they are not always interchangeable: choosing a replacement may accidentally shift emphasis, broaden or narrow a meaning, or introduce an unfamiliar register. A synonym therefore helps express an idea more effectively only when meaning, context, and audience are considered together.
A word or expression that has the same or nearly the same meaning as another word or expression.
"“Content” is a synonym for “satisfied” in this context, although it may sound slightly more formal."
Synonyms can differ in connotation, level of formality, frequency, and range of use, so they are not always fully interchangeable.
To replace a word or expression with another having the same or nearly the same meaning.
"The editor synonymized “utilize” with “use” to make the sentence more direct."
This verb is uncommon in everyday speech and is used mainly in formal, editorial, or lexicographical contexts.
The usual plural is “synonyms.” In grammatical discussions, “synonyms” may refer to individual equivalent words, while “synonymy” denotes the relationship between words with equivalent meanings.
"The two terms are close synonyms, but their preferred uses vary by context."
A synonym can change the voice of a sentence without significantly changing what it means.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does synonym come from?
The word comes through Latin from Greek synōnymos, a compound of syn-, meaning “together,” and onoma, meaning “name.” The Greek term referred to a word bearing the same name or meaning as another and entered English in the late 16th century. Its naming element is also found in related English words such as anonymous, homonym, mononym, and tautonym, all of which ultimately draw on Greek onoma.
Related word forms
How synonym is actually used
In editing and writing, a synonym may be chosen for clarity, tone, rhythm, or audience, but it should not introduce a subtle change in meaning. The verb is less common in everyday speech than the noun and is especially associated with formal or technical language.
Easily confused with synonym
A synonym is an individual word or expression, whereas synonymy is the relationship or practice of having equivalent meanings.
A synonym has the same or a similar meaning as another word, while an antonym has an opposite meaning.