SYNONYMS | WORD ORIGIN noun capability; ability; innate or acquired capacity for something; talent: She has a special aptitude for mathematics. readiness or quickness in learning; intelligence: He was placed in honors classes because of his general aptitude. the state or quality of being apt; special fitness. Origin of aptitude 1400–50; late Middle English
Late Latin aptitūdō.
-tude Related forms ap·ti·tu·di·nal, adjective ap·ti·tu·di·nal·ly, adverb pre·ap·ti·tude, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for aptitudinal noun inherent or acquired ability ease in learning or understanding; intelligence the condition or quality of being apt Word Origin for aptitude
C15: via Old French from Late Latin
aptitūdō, from Latin aptus apt
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for aptitudinal n.
early 15c., "tendency, likelihood," from Middle French
aptitude (14c.) or directly from Late Latin aptitudo (genitive aptitudinis) "fitness," noun of quality from Latin aptus "joined, fitted" (see apt). Meaning "natural capacity to learn" is 1540s; that of "quality of being fit (for a purpose or position)" is from 1640s.
Online Etymology Dictionary, © 2010 Douglas Harper