Antonyms of adj off-and-on

1 sense of off-and-on

Sense 1
fitful, interrupted, off-and-on (prenominal) -- (intermittently stopping and starting; "fitful (or interrupted) sleep"; "off-and-on static")

INDIRECT (VIA broken) -> unbroken -- (marked by continuous or uninterrupted extension in space or time or sequence; "cars in an unbroken procession"; "the unbroken quiet of the afternoon")

Similarity of adj off-and-on

1 sense of off-and-on

Sense 1
fitful, interrupted, off-and-on (prenominal) -- (intermittently stopping and starting; "fitful (or interrupted) sleep"; "off-and-on static")
       => broken (vs. unbroken) -- (not continuous in space, time, or sequence or varying abruptly; "broken lines of defense"; "a broken cable transmission"; "broken sleep"; "tear off the stub above the broken line"; "a broken note"; "broken sobs")

Synonyms of adv off-and-on

1 sense of off and on

Sense 1
off and on, on and off -- (not regularly; "they phone each other off and on")