"Grumbly" is a word in ENGLISH

grumbly ENGLISH
Definition:

In a grum manner.

Few words of positivity

The people of Hong Kong are criticized for only being interested in business, but it's the only thing they've been allowed to do.

Paul Theroux

WORD SUGGESTIONS
Laugh your heart out.

What do you get if you cross an insect and a dance ?A cricket ball !

grum ENGLISH

Low; deep in the throat; guttural; rumbling; as,

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grum ENGLISH

Morose; severe of countenance; sour; surly; glum; grim.

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