WordReference Random House Unabridged Dictionary of American English © 2026
pseu•do•sci•ence
(so̅o̅′dō sī′əns),USA pronunciation n.
pseu•do•sci•en•tif•ic
(so̅o̅′dō sī′ən tif′ik),USA pronunciation adj.
pseu′do•sci′en•tif′i•cal•ly, adv.
pseu′do•sci′en•tist, n.
- Psychologyany of various methods, theories, or systems, as astrology, psychokinesis, or clairvoyance, considered as having no scientific basis.
- 1835–45; pseudo- + science
pseu′do•sci′en•tist, n.
'pseudoscience' also found in these entries (note: many are not synonyms or translations):