rigid

C2+ Topic:Describing Qualities

US /ˈrɪdʒɪd/ UK /ˈrɪdʒɪd/ See IPA manual

Meanings

1

adj
unable to bend; strict, inflexible, or unyielding

The rigid schedule left no room for spontaneity.

Thesaurus

Synonyms

1 adj · unable to bend; strict,... stiff inflexibleunbendingstrict unyielding firm hard

Opposites

flexible pliable supple lax yielding elastic

Word family

Derived forms rigidly rigidityrigidness

Related forms rigor rigorous

Appears in

Phrases (1)

See all

rigid disciplinarian
a person who enforces strict rules without adapting to individual circumstances

Adjective + noun

Etymology

From Latin rigidus ('stiff, hard'), from rigere ('to be stiff'), from Proto-Indo-European *reyg- ('to stretch, be stiff').

rigidus Latin rigere Latin

View etymology graph ->

Topics

Describing Qualities

External links

# rigid

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** /ˈrɪdʒɪd/
**IPA (UK):** /ˈrɪdʒɪd/

## Meanings
1. unable to bend; strict, inflexible, or unyielding

## Examples
- The rigid schedule left no room for spontaneity.

## Synonyms
- stiff
- inflexible
- unbending
- strict
- unyielding
- firm
- hard

## Antonyms
- flexible
- pliable
- supple
- lax
- yielding
- elastic

## Derived Forms
- rigidly
- rigidity
- rigidness

## Related Forms
- rigor
- rigorous

## Roots and Affixes
- Root: rigidus
- Root: rigere

## Etymology
From Latin rigidus ('stiff, hard'), from rigere ('to be stiff'), from Proto-Indo-European *reyg- ('to stretch, be stiff').

## AI Etymology
Rigid is from Latin rigidus ('stiff, hard'), from rigere ('to be stiff'), from Proto-Indo-European *reyg- ('to stretch, be stiff'). In present-day use, it means unable to bend; strict, inflexible, or unyielding. Derived formations include rigidly, rigidity, and rigidness. Related vocabulary includes rigor and rigorous.

## Topics
- Describing Qualities

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