Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb improvise

2 senses of improvise

Sense 1
improvise, improvize, ad-lib, extemporize, extemporise -- (perform without preparation; "he extemporized a speech at the wedding")
       => perform, execute, do -- (carry out or perform an action; "John did the painting, the weeding, and he cleaned out the gutters"; "the skater executed a triple pirouette"; "she did a little dance")

Sense 2
improvise, extemporize -- (manage in a makeshift way; do with whatever is at hand; "after the hurricane destroyed our house, we had to improvise for weeks")
       => cope, get by, make out, make do, contend, grapple, deal, manage -- (come to terms with; "We got by on just a gallon of gas"; "They made do on half a loaf of bread every day")

Antonyms of adj improvised

1 sense of improvised

Sense 1
improvised, jury-rigged, makeshift -- (done or made using whatever is available; "crossed the river on improvised bridges"; "the survivors used jury-rigged fishing gear"; "the rock served as a makeshift hammer")

INDIRECT (VIA impermanent) -> permanent, lasting -- (continuing or enduring without marked change in status or condition or place; "permanent secretary to the president"; "permanent address"; "literature of permanent value")

Similarity of adj improvised

1 sense of improvised

Sense 1
improvised, jury-rigged, makeshift -- (done or made using whatever is available; "crossed the river on improvised bridges"; "the survivors used jury-rigged fishing gear"; "the rock served as a makeshift hammer")
       => impermanent (vs. permanent), temporary -- (not permanent; not lasting; "politics is an impermanent factor of life"- James Thurber; "impermanent palm cottages"; "a temperary arrangement"; "temporary housing")

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