English Reference

Word

flexion

Phoneticsflex·ion, stress on the first syllable

US/ˈfɫɛkʃən/

UK/flˈɛkʃən/

Countable noun

Definition

n. a small change in the form of a word that shows grammar, like tense or plural.

n. a change in the form of a word to mark grammatical distinctions such as tense, number, person, or case. Often treated as a variant of 'inflection' in grammatical description.

Examples

“English shows flexion in words like go and goes.”

“The teacher points out the flexion in 'cats' where the final s marks the plural.”

“Languages with rich flexion encode tense and case within the word itself, so learners must attend to endings rather than word order alone.”

Examples

simple

“English shows flexion in words like go and goes.”

contextual

“The teacher points out the flexion in 'cats' where the final s marks the plural.”

complex

“Languages with rich flexion encode tense and case within the word itself, so learners must attend to endings rather than word order alone.”

Etymology

Borrowed from Latin flexiō, from flectō (“I bend, curve”) + -tiō, possibly via French.

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

Related words

Domain

Grammar

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.C2 ProficiencyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.8.5–9.0TOEFL 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: 6.0114–120
Frequency
Occasional
Level
C2 · Proficiency
Updated

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English Reference