Synonyms to unable to forget

obsessed, absorbed, absorbed in, affected, agonized, bedeviled, beset, besotted, bewitched, buried in, caught up in, contemplating, contemplative, devoted, devoted to, devoured by, dogged, dominated, engaged, engrossed, engrossed in, fixated, ghost-haunted, ghost-ridden, gripped, hag-ridden, harassed, haunted, held, hipped, hung-up, imbued with, immersed in, impressed, impressed with, infatuated, intent, intent on, involved, lost in, meditating, meditative, mindful, monomaniac, monomaniacal, monopolized, moved, nagged, obsessed by, occupied, overcome, penetrated with, plagued, possessed, preoccupied, prepossessed, queer, racked, rankled, remembering, seized with, single-minded, specter-haunted, spirit-haunted, spooked, spooky, stricken, studious, studying, submerged in, swept up, taken up with, torn, tortured, totally absorbed, touched, troubled, witch-charmed, witch-held, witch-struck, witched, wracked, wrapped in, wrapped up in, fretted, harried, hounded, persecuted, reme