locked on (adjective) secure: certain, definite
Sinonime: aciculate, acuate, acuminate, acuminous, acute, apical, barbed, briery, cuspate, cuspidate, edged, fine, gnawing, ground fine, honed, horned, jagged, keen, keen-edged, knife-edged, lancinating, needle-pointed, needlelike, peaked, piercing, pointed, pointy, prickly, pronged, razor-sharp, salient, serrated, sharp-edged, sharpened, shooting, spiked, spiky, spiny, splintery, stabbing, stinging, tapered, tapering, thorny, tined, tipped, unblunted, whetted
Antonime: indefinite,
insecure,
uncertain,
undecided,
unsure