premeditated

motiveless, spontaneous, premeditated, impulsive, pantomimic, inexplicable, autoerotic, intentional, unpreventable, ludic, unintentional, aleatory, perverse, explicable, deliberate, unnatural, uncontrived, volitional, undirected, asphyxial, unexpressive, factitious, irrational, extremeness, unmannerly, rageful, actus reus, posteriori, incomprehensible, unremorseful, irresistible impulse, unperceived, purposeful, purposeless, grotesque, unreasoned, literalized, undramatic, perspicuous, affectless, inferential, unreciprocated, grand mal, incommunicable, causeless, tu quoque, implausible, depraved, unforgivable, nonliteral, reductio ad absurdum, willful, wanton, prankish, unthinking, unaffecting, denunciatory, somnambulistic, illusional, nonconscious, unwarrantable, tragical, unsustained, unexplainable, good naturedness, unwitnessed, malice aforethought, unprovoked, purposive, bizarre, pardonable, desolating, expectable, assaultive, momentary, stupefying, unnameable, plagiaristic, unreflective, gratuitous, inefficacious, syllogistic, randomness, cataleptic, artless, unrepressed, otiose, aberrant, unrehearsed, overdetermined, remediable, advertent, inexplicit, unexceptionable, easeful, necrophiliac, banal, unjustifiable, retributive, dissociative, dastard, incommunicative, unstudied, unconsidered, extemporaneous, immodest, indiscreet, intemperate, disrespectful, extempore, undiplomatic, incautious, ungentlemanly, evasive, impassioned, indecent, lyrical, nonsensical, rhapsodic

chance-medley

impulsive, unplanned