I. ˈkvech, ˈkfech intransitive verb
Etymology: Yiddish kvetshn, literally, to squeeze, pinch, from Middle High German quetschen
Date: circa 1952
: to complain habitually : gripe
• kvetch·er noun
II. noun
Date: 1964
1. : a habitual complainer
2. : complaint 1
• kvetchy ˈkve-chē, ˈkfe- adjective