Standard Lemma guide

unfastidious

adj · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

Not fastidious.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: nonfastidious

Antonyms: none provided

2

adjective

Meaning 2

marked by an absence of due or proper care or attention to detail; not concerned with cleanliness

Definition source: Princeton WordNet 3.0

Examples

  • unfastidious in her dress

Meaning relationships

Synonyms: none provided

Antonyms: fastidious

3

adjective

Meaning 3

not exacting in nutritional requirements

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: fastidious

History

Etymology

From un- + fastidious.