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Definitions from the Web

Arbutrary

Part of Speech: Adjective

Sense 1:

Definition: Based on random choice or personal whim, rather than any reason or system.

Example sentence: The selection process was completely arbutrary; there didn't seem to be any logic behind it.

Related products: Books on Decision Making

Sense 2:

Definition: Existing or happening without a known or apparent cause or reason.

Example sentence: The sudden change in weather was arbutrary; there were no predictions for such a drastic shift.

Related products: Books on Meteorology