English Reference

Word

synonym

Phoneticssyn·onym

US/ˈsɪnəˌnɪm/

UK/sˈɪnənˌɪm/

Definitions

01word with the same meaning

B1 · Intermediate Countable noun

n. a word that has the same or a very similar meaning to another word.

n. a word or phrase that is synonymous with another in the same language.

“The word 'shut' is a synonym for 'closed' in most contexts.”

“The thesaurus provides several synonyms for 'beautiful', though each carries a slightly different nuance depending on the subject being described.”

Antonyms

antonym

02scientific naming

C2 · Proficiency Countable noun Science Technical

n. a different scientific name used for the same group of animals or plants.

n. any of the various names that could in theory be used for a taxon in accordance with the relevant rules of nomenclature.

“The biologist explained that the two species names were actually synonyms for the same bird.”

“In botanical nomenclature, a name may be rejected as a junior synonym if a validly published name already exists for that specific taxon.”

03database alias

C1 · Advanced Countable noun Computing Technical

n. a shorter or alternative name for a table or object in a computer database.

n. an alternative name defined for an object, such as a table or view, within a database management system.

“The programmer created a synonym to make the long database table name easier to type.”

“By defining a public synonym, the administrator allowed users to access the table without prefixing it with the schema owner's name.”

Synonyms

04to make synonymous

C2 · Proficiency Formal

v. to treat two different things or words as if they mean exactly the same thing.

v. to make two terms or concepts synonymous; to treat as having the same meaning.

“People often synonymize success with having a lot of money.”

“The critic argued that the author tended to synonymize silence with complicity throughout the novel.”

Synonyms

Antonyms

Usage

Commonly takes the preposition 'for' or 'of' when linking two words.

Pitfall

a synonym to 'big'

a synonym for 'big'

The noun synonym is typically followed by the preposition 'for' or 'of', not 'to'.

Etymology

From Middle English sinonyme, from Latin synōnymum, from Ancient Greek συνώνυμον (sunṓnumon), neuter singular form of συνώνυμος (sunṓnumos, “synonymous”), from σύν (sún, “with”) + ὄνομα (ónoma, “name”). By surface analysis, syn- + -onym.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

synonym(B1)

Related words

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
Frequency
Occasional
Level
B1 · Intermediate
Updated

QR code

englishreference.com/q/synonym

English Reference