[noh-uh-trop-ik, ‐troh-pik]


(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.

Nearby words

  1. noose,
  2. noosphere,
  3. nootka,
  4. nootka fir,
  5. nootka sound,
  6. nop,
  7. nopal,
  8. nope,
  9. noplace,
  10. nopo

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