grouch
Concise Oxford English Dictionary © 2008 Oxford University Press:
grouch /graʊtʃ/ informal
▶noun
- 1 a habitually grumpy person.
- 2 a complaint or grumble.
– origin C19: var. of obs. grutch, from OFr. grouchier ‘to grumble, murmur’, of unknown origin; cf. grudge.
'grouch' also found in these Oxford entries:

