WordReference Random House Learner's Dictionary of American English © 2026
knowl•edge•a•ble or knowl•edg•a•ble /ˈnɑlɪdʒəbəl/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- possessing or showing knowledge, insight, or understanding;
well-informed;
perceptive:to be knowledgeable about the enemy's tactics.
knowl•edge•a•ble
(nol′i jə bəl),USA pronunciation adj.
knowl′edge•a•bil′i•ty, knowl′edge•a•ble•ness, n.
knowl′edge•a•bly, adv.
- possessing or exhibiting knowledge, insight, or understanding;
intelligent;
well-informed;
discerning;
perceptive.
- knowledge + -able 1600–10
knowl′edge•a•bly, adv.