Antonyms of adj persistent

4 senses of persistent

Sense 1
persistent, relentless, unrelenting -- (never-ceasing; "the relentless beat of the drums")

INDIRECT (VIA continual) -> sporadic -- (recurring in scattered and irregular or unpredictable instances; "a city subjected to sporadic bombing raids")

Sense 2
haunting, persistent -- (continually recurring to the mind; "haunting memories"; "the cathedral organ and the distant voices have a haunting beauty"- Claudia Cassidy)

INDIRECT (VIA unforgettable) -> forgettable -- (easily forgotten)

Sense 3
persistent (vs. caducous), lasting -- (retained; not shed; "persistent leaves remain attached past maturity"; "the persistent gills of fishes")

caducous (vs. persistent), shed -- (shed at an early stage of development; "most amphibians have caducous gills"; "the caducous calyx of a poppy")
        => deciduous -- ((of teeth, antlers, etc.) being shed at the end of a period of growth; "deciduous teeth")

Sense 4
dogged, dour, persistent, pertinacious, tenacious, unyielding -- (stubbornly unyielding; "dogged persistence"; "dour determination"; "the most vocal and pertinacious of all the critics"; "a mind not gifted to discover truth but tenacious to hold it"- T.S.Eliot; "men tenacious of opinion")

INDIRECT (VIA stubborn) -> docile -- (willing to be taught or led or supervised or directed; "the docile masses of an enslaved nation")

Similarity of adj persistent

4 senses of persistent

Sense 1
persistent, relentless, unrelenting -- (never-ceasing; "the relentless beat of the drums")
       => continual (vs. sporadic) -- (occurring without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series; "the continual banging of the shutters")

Sense 2
haunting, persistent -- (continually recurring to the mind; "haunting memories"; "the cathedral organ and the distant voices have a haunting beauty"- Claudia Cassidy)
       => unforgettable (vs. forgettable) -- (impossible to forget)

Sense 3
persistent (vs. caducous), lasting -- (retained; not shed; "persistent leaves remain attached past maturity"; "the persistent gills of fishes")

Sense 4
dogged, dour, persistent, pertinacious, tenacious, unyielding -- (stubbornly unyielding; "dogged persistence"; "dour determination"; "the most vocal and pertinacious of all the critics"; "a mind not gifted to discover truth but tenacious to hold it"- T.S.Eliot; "men tenacious of opinion")
       => stubborn (vs. docile), obstinate, unregenerate -- (tenaciously unwilling or marked by tenacious unwillingness to yield)

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