WordReference Random House Unabridged Dictionary of American English © 2026
hy•per•func•tion
(hī′pər fungk′shən),USA pronunciation n. [Pathol.]
- Pathologyabnormally increased function, esp. of glands or other organs.
- hyper- + function 1905–10
'hyperfunction' also found in these entries (note: many are not synonyms or translations):