grum /grum/

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

• unstudied
• unstuffed
• unstuffy
• unstuft
• unsubduable
• unsubdued
• unsubject
• unsubjected
• unsublimated
• unsublimed
• unsubmerged
• unsubmissive
• unsubmitting
• unsubscribe
• unsubscribed
• unsubscribes
• unsubscribing
• unsubsidised
• unsubsidized
• unsubstantial
• unsubstantialise
• unsubstantialised
• unsubstantialises
• unsubstantialising
• unsubstantiality