- the usual US spelling of synaesthesia
WordReference Random House Unabridged Dictionary of American English © 2026
syn•es•the•sia
(sin′əs thē′zhə, -zhē ə, -zē ə),USA pronunciation n.
syn•es•thete
(sin′əs thēt′),USA pronunciation n.
syn•es•thet•ic
(sin′əs thet′ik),USA pronunciation adj.
- Psychologya sensation produced in one modality when a stimulus is applied to another modality, as when the hearing of a certain sound induces the visualization of a certain color.
- Neo-Latin; see syn-, esthesia
- 1890–95;
Collins Concise English Dictionary © HarperCollins Publishers::
synesthesia /ˌsɪniːsˈθiːzɪə/ n
'synesthesia' also found in these entries (note: many are not synonyms or translations):