adj. 25B6; adjective
frequent bouts of chest infection : RECURRENT, recurring, repeated, periodic, continual, one after another, successive; many, numerous, lots of, several.
a frequent business traveller : HABITUAL, regular.
occasional.
25B6; verb he frequented chic supper clubs : VISIT, patronize, spend time in, visit regularly, be a regular visitor to, haunt; informal hang out at.