This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Given to grumbling

"Despite grumbly gut feelings about the word “awesome,” which Pearl Matteson kindly helped me dispel by turning my mind from teen-angst associations to the idea of awe-inspiring … ahem … let me start again."