Synonyms of the word

pigboat

• n. (slang, archaic) submarine.

sub

• n. A submarine.
• n. A submarine sandwich—a sandwich made on a long bun.
• n. (US, informal) A substitute.
• n. (Britain, informal) A substitute in a football (soccer) game: someone who comes on in place of another…
• n. (Britain, informal, often in plural) A subscription: a payment made for membership of a club, etc.
• n. (informal) A submissive in BDSM practices.
• n. (Internet, informal) A subtitle.
• n. (computing, programming) A subroutine (sometimes one that does not return a value, as distinguished from…
• n. (colloquial) A subeditor.
• n. (colloquial) A subcontractor.
• n. (colloquial, dated) A subordinate.
• n. (colloquial, dated) A subaltern.
• v. (US, informal) To substitute for.
• v. (US, informal) To work as a substitute teacher, especially in primary and secondary education.
• v. (Britain, informal, soccer) To replace (a player) with a substitute.
• v. (Britain, informal, soccer) Less commonly, and often as sub on, to bring on (a player) as a substitute.
• v. (Britain) To perform the work of a subeditor or copy editor; to subedit.
• v. (Britain, slang, transitive) To lend.
• v. (slang, intransitive) To subscribe.
• v. (BDSM) To take a submissive role.
• prep. Under.
• v. To coat with a layer of adhering material; to planarize by means of such a coating.
• v. (microscopy) To prepare (a slide) with an layer of transparent substance to support and/or fix the sample.

submarine

• adj. Undersea.
• adj. Hidden or undisclosed.
• adj. (baseball) Of a pitch, thrown with the hand lower than the elbow.
• n. A boat that can go underwater.
• n. A kind of sandwich made in a long loaf of bread.
• n. (baseball) Pitch delivered with an underhand motion.
• n. Any submarine plant or animal.
• n. (informal) A stowaway on a seagoing vessel.
• v. To operate or serve on a submarine.
• v. To torpedo; to destroy with a sudden sneak attack.

submersible

• adj. Able to be submerged.
• n. (Britain) A small nonmilitary, non-nuclear submarine for exploration.
• n. (Britain) A retroactive term used for non-nuclear submarines; nuclear submarines are termed "true submarines".
• n. (Britain) A term used primarily by some navies for nuclear submarines, termed "true submersibles", because…
• n. (US) A very small "baby" submarine designed for specific localized missions, usually while tethered to…