grum /grum/

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

grumˈly adverb

• unilateralists
• unilateralities
• unilaterality
• unilaterally
• unilingual
• uniliteral
• unillumed
• unilluminated
• unilluminating
• unillumined
• unillustrated
• unilobar
• unilobed
• unilobular
• unilocular
• unimaginable
• unimaginableness
• unimaginably
• unimaginative
• unimaginatively
• unimaginativeness
• unimagined
• unimbued
• unimmortal
• unimolecular