| IMPERTURBABLE | • imperturbable adj. Not easily perturbed, upset or excited. • imperturbable adj. Calm and collected, even under pressure.
 • IMPERTURBABLE adj. marked by extreme calm, impassivity, and steadiness.
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| IMPERTURBABLY | • imperturbably adv. In an imperturbable manner; calmly. • IMPERTURBABLE adv. marked by extreme calm, impassivity, and steadiness.
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| INSUPPORTABLE | • insupportable adj. That cannot be tolerated or endured. • insupportable adj. (Of a statement, claim, argument, etc.) That cannot be supported; that cannot be demonstrated or proved.
 • INSUPPORTABLE adj. not supportable.
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| INSUPPORTABLY | • insupportably adv. In an insupportable manner. • INSUPPORTABLE adv. not supportable.
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| PERAMBULATING | • perambulating v. Present participle of perambulate. • PERAMBULATE v. to walk through, to inspect an area on foot.
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| PERAMBULATION | • perambulation n. (Rare) A survey, a tour; a walking around. • perambulation n. (Law) An English legal ceremony in which an official from a town or parish walks around it to delineate…
 • perambulation n. The district thus inspected.
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| PERDURABILITY | • perdurability n. The state of being perdurable. • PERDURABILITY n. the state of being perdurable.
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| PERMUTABILITY | • permutability n. (Uncountable) The condition of being permutable. • permutability n. (Countable) The extent to which something is permutable.
 • PERMUTABILITY n. the quality of being permutable.
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| PREAMBULATING | • preambulating v. Present participle of preambulate. • PREAMBULATE v. to make a preamble.
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| REPUBLICATION | • republication n. The act of publishing again. • republication n. A reprint or republished edition of a book, a will, etc.
 • REPUBLICATION n. the act or action of republishing.
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| SUBTRIPLICATE | • subtriplicate adj. (Mathematics) Expressed by the cube root; said especially of ratios. • SUBTRIPLICATE adj. expressed by the cube root.
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| SUBTROPICALLY | • subtropically adv. In a subtropical way. • SUBTROPICAL adv. relating to the area lying between the Tropic of Cancer and 40 degrees N, and the Tropic of Capricorn and 40 degrees south, also SUBTROPIC.
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| UNPRACTICABLE | • unpracticable adj. Not practicable. • UNPRACTICABLE adj. not practicable.
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| UNPREDICTABLE | • unpredictable adj. Unable to be predicted. • unpredictable n. An unpredictable thing.
 • UNPREDICTABLE adj. that cannot be predicted.
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| UNPREDICTABLY | • unpredictably adv. In an unpredictable way. • UNPREDICTABLE adv. that cannot be predicted.
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| UNPROBLEMATIC | • unproblematic adj. Not problematic (presenting problems) or not controversial. • UNPROBLEMATIC adj. not problematic.
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| UPGRADABILITY | • upgradability n. (Computing, of electronic equipment) Capability of being improved in functionality by the addition or… • UPGRADABILITY n. the state of being upgradable.
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| VAPOURABILITY | • vapourability n. Alternative form of vaporability. • VAPOURABILITY n. the capacity to be vaporised, also VAPORABILITY.
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