Standard Lemma guide

unfastened

adj · verb · 6 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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No pronunciation record was provided for this word.

1

adj

Meaning 1

Not fastened.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

past participle of unfasten

Definition source: English Wiktionary via Wiktextract

Usage: form-of, participle, past

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

not tied

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: untied

Antonyms: none provided

4

adjective

Meaning 4

not buttoned

Definition source: Princeton WordNet 3.0

Examples

  • the wind picked up the hem of her unbuttoned coat

Meaning relationships

Synonyms: unbuttoned

Antonyms: none provided

5

adjective

Meaning 5

affording unobstructed entrance and exit; not shut or closed

Definition source: Princeton WordNet 3.0

Examples

  • an open door
  • they left the door open

Meaning relationships

Synonyms: open

Antonyms: none provided

6

adjective

Meaning 6

not closed or secured

Definition source: Princeton WordNet 3.0

Examples

  • the car door was unfastened
  • unfastened seatbelts

Meaning relationships

Synonyms: none provided

Antonyms: fastened

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English fastened English unfastened From un- + fastened.

From unfasten + -ed.

Across languages

Translations

2 source translations are retained for this English entry.

  • Māori: matara — not fastened
  • Māori: matoha — not fastened