Standard Lemma guide

smoothbore

adj · noun · 4 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

Having a bore with a smooth interior, i.e. one that has not been rifled.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: engineering, firearms, government, military, natural-sciences, physical-sciences, politics, tools, war, weaponry

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: unrifled

Antonyms: rifled

2

noun

Meaning 2

A cannon, gun or other firearm that has an unrifled barrel.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, firearms, government, military, natural-sciences, physical-sciences, politics, tools, war, weaponry

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

of a firearm; not having rifling or internal spiral grooves inside the barrel

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: unrifled

Antonyms: none provided

4

noun

Meaning 4

a firearm that has no rifling

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: firearm, piece, small-arm

History

Etymology

From smooth + bore.

Across languages

Translations

10 source translations are retained for this English entry.

  • Bulgarian: гладкоцевен (gladkoceven) — having a bore with smooth interior
  • Danish: glatløbet — having a bore with smooth interior
  • Finnish: sileäputkinen — having a bore with smooth interior
  • Finnish: rihlaamaton — having a bore with smooth interior
  • German: glatt — having a bore with smooth interior
  • Polish: gładkolufowy — having a bore with smooth interior
  • Portuguese: de alma lisa — having a bore with smooth interior
  • Russian: гладкоствольный (gladkostvolʹnyj) — having a bore with smooth interior
  • Vietnamese: nòng trơn — having a bore with smooth interior
  • Bulgarian: гладкоцевно оръжие (gladkocevno orǎžie) — Translations
Real reading context

smoothbore in complete knowledge articles