rigid

C2+ Topic:Describing Qualities

US /ˈrɪdʒɪd/ UK /ˈrɪdʒɪd/ See IPA manual

adj

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

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

# 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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