As nouns the difference between grump and rump
is that grump is a habitually grumpy or complaining person while rump is the hindquarters of an animal.
As a verb grump
is to complain.
grump
English
Noun
(
en noun)
a habitually grumpy or complaining person
First used in print by Daniel Defoe in 1727.
Verb
(
en verb)
to complain
to be grumpy
rump
English
Noun
(
en noun)
The hindquarters of an animal
A cut of meat from the rump of an animal.
The buttocks.
Remnant, as in rump parliament .
Synonyms
*(hindquarters of an animal) croupe, crupper
* (cut of meat from the hindquarters of an animal)
* see
Derived terms
* rump parliament; see
* rump state