[ap-ti-tood, -tyood]
  1. capability; ability; innate or acquired capacity for something; talent: She has a special aptitude for mathematics.
  2. readiness or quickness in learning; intelligence: He was placed in honors classes because of his general aptitude.
  3. the state or quality of being apt; special fitness.

Origin of aptitude

1400–50; late Middle English (< Middle French) < Late Latin aptitūdō. See apt, -i-, -tude
Related formsap·ti·tu·di·nal, adjectiveap·ti·tu·di·nal·ly, adverbpre·ap·ti·tude, noun

Synonyms for aptitude

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for aptitudinal


  1. inherent or acquired ability
  2. ease in learning or understanding; intelligence
  3. 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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for aptitudinal



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