Synonyms of amnemonic

1 Syllable
lax, slack
2 Syllables
dreamy, absent, moony, mooning, sloppy, heedless, remiss
3 Syllables
distracted, amnesic, forgetful, oblivious, neglectful, unwitting, unmindful, nirvanic, careless, abstracted, negligent, airheaded, bemused, preoccupied
4 Syllables
woolgathering, absent-minded
5 Syllables
inattentive