Synonyms to fixed idea

obsession, absorbed attention, absorption, abstraction, abulia, alienation, anxiety, anxiety equivalent, anxiety state, apathy, application, bedevilment, bewitchery, bewitchment, captivation, catatonic stupor, complex, compulsion, concentration, contemplation, conviction, deep study, deep thought, dejection, depression, detachment, elation, emotionalism, enchantment, engagement, engrossment, entrancement, euphoria, fascination, fixation, folie du doute, hang-up, hypercathexis, hypochondria, hysteria, hysterics, idee fixe, illusion, immersion, indifference, insensibility, intentness, involvement, irresistible impulse, lethargy, mania, maya, meditation, melancholia, mental distress, monomania, morbid drive, obsessive compulsion, passion, pathological indecisiveness, phobia, possession, preoccupation, prepossession, profound thought, psychalgia, psychomotor disturbance, rapt attention, ruling passion, single-mindedness, spirit control, studiousness, study, stupor, submersion, thing, tic, twitching, unresponsiveness, witchery, withdrawal, Byzantine, Chinese puzzle, Diana comp