Relating to, characterized by, or causing isolation.(adjective)
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Use "isolative" in a sentence
"The language of Breakness was basically "isolative," but unique in that it derived entirely from the speaker: that is to say, the speaker was the frame of reference upon which the syntax depended, a system which made for both logical elegance and simplicity."
"Unlike other penguin species, the Black-footed Penguin does not have a strict crèche stage because of the isolative behavior during mating and nesting of the species."
"Fisherprice considered my case isolative and not worthy of investigating further seeing that all their "Elmo's" appeared to sound appropriate but I asked several people on the street what they heard and they did not hear BE LIKE ELMO clearly."