Peaky is a synonym of pinched.
As adjectives the difference between peaky and pinched
is that peaky is sickly; peaked while pinched is very thin.
As a verb pinched is
(pinch).
peaky
English
Adjective
(er)
Sickly; peaked.
Characterised by peaks.
pinched
English
Verb
(head)
(pinch)
Derived terms
* pinched look
Adjective
(head)
very thin
*