Standard Lemma guide

bolt-on

adj · noun · 5 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /bəʊlt ˈɒn/
  • Received-Pronunciation: /bɒlt ˈɒn/
  • Received-Pronunciation: /bɔʊlt ˈɒn/
  • General-American: /ˌbolt ˈɔn/
  • Australia: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Of an accessory: capable of being bolted on or otherwise attached.

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

adj

Meaning 2

Used to extend an existing system, operating as an add-on or plug-in.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, not-comparable

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An accessory that can be bolted on or otherwise attached.

Definition source: English Wiktionary via Wiktextract

Usage: also, figuratively

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A functionality or service that can be added to an existing arrangement or plan (for example, a mobile telephone subscription).

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A breast implant.

Definition source: English Wiktionary via Wiktextract

Usage: plural, slang

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.