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Use "improvizing" in a sentence
"Mr. Gilburt wud have been very crankee – he nevur liked teh improvizing."
"Since then I have risen in their estimation by improvizing a lamp — Hawaiian fashion — by putting a wisp of rag into a tin of fat."
"Distinguished in these juvenile years more by kindness than cleverness, he nevertheless manifested a certain inventiveness in improvizing baby comedies which had more appreciative audiences than some of his maturer stage productions."