also knock-about, "suitable for anything," 1876, from verbal phrase knock about (intrans.) "wander here and there" (1833; knock around in the same sense is from 1848); see knock (v.) + around (adv.).
knockabout comedy
a knockabout old car
a knockabout overcoat
knitting
knob
knobby
knock
knock up
knockabout
knock-down
knocker
knock-kneed
knockoff
knockout