Definition of sub


  • a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States. Synonyms: Cuban sandwich, Italian sandwich, bomber, grinder, hero, hero sandwich, hoagie, hoagy, poor boy, submarine, submarine sandwich, torpedo, wedge, zep.
  • a submersible warship usually armed with torpedoes. Synonyms: U-boat, pigboat, submarine.


  • be a substitute; "The young teacher had to substitute for the sick colleague", "The skim milk substitutes for cream--we are on a strict diet". Synonyms: fill in, stand in, substitute.

Related words


Words nearby sub

cub, dub, hub, nub, pub, rub, sb, seb, sib, slub, snub, sob, stub, sue, sum, sun, sup, sur, sus, suv, tub, uub.

Rhymes with sub

club, cub, drub, dub, grub, hub, nub, pub, rub, scrub, shrub, snub, stub, tub.

Start with sub

subsisted, subahdar, subornations, subreptitious, subnormals, subcapsular, subindexes, subprofessional, subfamilies, subcaste, subindex, subjacency, subordinate, subversionary, subscales, subjectiveness, subtemperate, subtotal, subirrigations, subtilenesses, subsolar, subcultural, subsets, subjugating, subtheme, subbings, sublimity, subduable, subsiding, suberise, sublunar, subgenera, substate, subwaying, subtrend, subtribe, subcostal, suboptimizing, submarined, submenu, and 1036 more.

More information about sub

sub unscrambled

Scrabble and Words With Friends points

  • sub is a valid Scrabble US word, worth 5 points
  • sub is a valid Scrabble UK word, worth 5 points
  • sub is a valid Words With Friends word, worth 7 points
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