adj. 25B6; adjective
her father's habitual complaints : CONSTANT, persistent, continual, continuous, perpetual, non-stop, recurrent, repeated, frequent; interminable, incessant, ceaseless, endless, never-ending; informal eternal.
habitual drinkers : INVETERATE, confirmed, compulsive, obsessive, incorrigible, hardened, ingrained, dyed-in-the-wool, chronic, regular; addicted; informal pathological.
his habitual secretiveness : CUSTOMARY, accustomed, regular, usual, normal, set, fixed, established, routine, common, ordinary, familiar, traditional, typical, general, characteristic, standard, time-honoured; poetic/literary wonted.
occasional, unaccustomed.