adverb
(formal or archaic) Always, frequently, forever.
Continuously, constantly, all the time (for the complete duration).
At any time.
(informal) As intensifier following an interrogative word.
(Manglish, Singlish) Indicates experiential aspect, once; has or have (done something) before.
adjective
(epidemiology) Occurring at any time, occurring even but once during a timespan.
determiner
(dialectal and informal) Shortening of every