# synonymize

/sɪˈnɑnəˌmaɪz/ (US) · CEFR C2 · Verb

Source: https://englishreference.com/word/synonymize
Updated: 2026-10-13

## Definition

to treat two different words as if they mean exactly the same thing. You do this when you decide that one word can always replace another in a sentence.

For teachers: to treat or represent two or more terms as synonyms. Often involves the formal process of equating different names or labels within a specific classification system.

## Examples

- The editor decided to synonymize the two terms in the glossary.
- Biologists often synonymize species names when new research proves that two differently named organisms are actually the same.
- In the updated dictionary, the lexicographers chose to synonymize several archaic regional terms with their modern standard equivalents to simplify the entry structure.

## Synonyms

equate

## Antonyms

differentiate, distinguish, contrast

## Usage notes

- The verb is transitive and requires a direct object, typically two or more words or concepts being equated.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.