[ noh-uh-trop-ik, ‐troh-pik ]
/ ˌnoʊ əˈtrɒp ɪk, ‐ˈtroʊ pɪk /


(of a drug or other substance) capable of enhancing memory, concentration, or other cognitive functions and of preventing cognitive decline: Each capsule contains six different nootropic substances.


Also called smart drug. a drug or other substance that enhances memory, concentration, or other cognitive functions: The effectiveness, and safety, of certain nootropics remain debatable.

Origin of nootropic

First recorded in 1970–75; < Greek nóo(s) “mind” + -tropic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019