leap out lea·pout uncommon verb 1. be highly noticeable Synonymsleap outjump outjumpstand outstick out 2. jump out from a hiding place and surprise (someone) “The attackers leapt out from the bushes” Synonymsleap outrush outsally outburst forth Related words Broader terms appearlook WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.