1. the quality or state of being synonymous; the relationship between words that have the same or nearly the same meaning
Usage: linguistics
2. a system or collection of synonyms

Examples

• The synonymy between ‘happy’ and ‘joyful’ makes them interchangeable in many contexts.
• Students often struggle with the concept of synonymy in vocabulary exercises.
• The dictionary includes a section on synonymy for each entry.
• Perfect synonymy is rare in language, as most words have subtle differences in meaning.
• The teacher explained the synonymy of ‘big’ and ‘large’ to help students expand their vocabulary.
• Linguists study synonymy to understand how meaning relationships work in language.