grum /grum/

1. Morose
2. Surly
3. (of a sound) deep in the throat (obsolete)

grumˈly adverb

grumˈness noun

• unrelievable
• unrelieved
• unrelievedly
• unreligious
• unrelished
• unreluctant
• unremaining
• unremarkable
• unremarked
• unremedied
• unremembered
• unremembering
• unremitted
• unremittedly
• unremittent
• unremittently
• unremitting
• unremittingly
• unremittingness
• unremittingnesses
• unremorseful
• unremorsefully
• unremorseless
• unremovable
• unremoved