(baseball) A pitch thrown with the ball gripped on the fingertips and released with no rotation, which travels over an unpredictable path to the plate due to micro-turbulence in the air.
(figurative) An event that is hard to predict.
verb
(intransitive, baseball) To pitch knuckleballs.
lumberjacks
lumberjacks
noun
plural of lumberjack
packbuilder
parbuckling
parbuckling
verb
present participle of parbuckle
pickelhaube
pickelhaube
noun
(historical) A spiked helmet worn by German troops, especially during the First World War.
swashbuckle
swashbuckle
verb
(intransitive) To take part in exciting romantic adventures.
turtlebacks
turtlebacks
noun
plural of turtleback
unblackened
unblackened
adj
Not blackened.
unblockaded
unblockaded
adj
Not blockaded.
uncheckable
uncheckable
adj
Incapable of being checked or restrained.
Incapable of being checked or verified.
uncloakable
uncloakable
adj
Not cloakable.
unshockable
unshockable
adj
Incapable of being shocked (scandalised or appalled).