skipjack noun 17forms 1 noun17 •Any of several not closely related fish. •Several of the genus Euthynnus resembling tuna •A skipjack tuna (Katsuwonus pelamis) •A common bluefish (Pomatomus saltatrix) •An alewife (Alosa pseudoharengus) •A bonito (Sarda spp. etc.) •A butterfish •A cutlass fish (Trichiuridae spp.) •A jurel (Caranx or Trachurus) •A leatherjacket, leatherjack (genus Oligoplites) •A runner (Elagatis pinnulatis) •A saurel (Trachurus spp.) •A saury (Scomberesocidae spp.) •A threadfish (Alectis spp.) •A shallow sailboat with a rectilinear or V-shaped cross section. •An elaterid; a click beetle. •(no longer used) An upstart.Tag-rag or other, hogen mogen, vanden, skip-jacks or chouses. — 1639 formsskipjacks