IPA: /ˈhɛbɪˌtjuːd/
KK: /hɛbəˌtjud/
A state of being dull or sluggish in thought; a lack of mental sharpness or energy.
After a long day at work, I often feel a sense of hebetude that makes it hard to concentrate.
Hebetude is derived from the Latin "hebetudo" (meaning dullness or bluntness), which comes from "hebes" (meaning dull or blunt). The word refers to a state of mental dullness or lethargy.
Think of 'dullness' ('hebetudo') to remember that 'hebetude' refers to a state of mental dullness.
No commonly confused words.