grum /grum/

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

• cryptaesthesia
• cryptaesthesias
• cryptaesthetic
• cryptal
• cryptanalyses
• cryptanalysis
• cryptanalyst
• cryptanalysts
• cryptanalytic
• cryptesthesia
• cryptesthesias
• cryptic
• cryptical
• cryptically
• cryptic coloration
• cryptic colorations
• crypto
• crypto-
• cryptobiont
• cryptobiosis
• down the toilet
• down the tubes
• down the wind
• downthrow
• downthrows