We have put together a list of words that are similar to SMOOTHBORE.

3 Alternative Words Similar to smoothbore

1 Unrifled Adjective      Synonym Words Like Unrifled
2 Rifled Adjective      Antonym Words Like Rifled
3 Piece Noun      Synonym Words Like Piece

9 definitions of smoothbore

1 Having a bore of perfectly smooth surface; -- distinguished from rifled.
2 of a firearm; not having rifling or internal spiral grooves inside the barrel
3 a firearm that has no rifling
4 Having no rifling within the barrel. Used of a firearm.
5 A firearm having no rifling.
6 Smooth-bored; not rifled: as, a smooth-bore gun. Compare choke-bore.
7 A firearm with a smooth-bored barrel; in contradistinction to rifle, or rifled gun.
8 having a bore with a smooth interior, ie. one that has not been rifled
9 a cannon, gun or other firearm that has an unrifled barrel.
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