Antonyms of adj infrequent

1 sense of infrequent

Sense 1
infrequent (vs. frequent) -- (not frequent; not occurring regularly or at short intervals; "infrequent outbursts of temper")

frequent (vs. infrequent) -- (coming at short intervals or habitually; "a frequent guest"; "frequent complaints")
        => prevailing, prevalent, predominant, dominant, rife -- (most frequent or common; "prevailing winds")
        => regular, steady -- (relating to a person who does something regularly; "a regular customer"; "a steady drinker")

Similarity of adj infrequent

1 sense of infrequent

Sense 1
infrequent (vs. frequent) -- (not frequent; not occurring regularly or at short intervals; "infrequent outbursts of temper")
       => occasional (prenominal) -- (occurring from time to time; "took an occasional glass of wine")
       => rare -- (recurring only at long intervals; "a rare appearance"; "total eclipses are rare events")
          Also See-> sporadic#1