Select the most appropriate synonym of the given word.

GRUMBLE

Complain

The most appropriate synonym of the given word grumble is complain.

• Grumble means "to complain in a low, muttering way."
• Subside means "to become less intense or severe."
• Complain means "to express dissatisfaction or annoyance about something."
• Adjure means "to urge or command (someone) in a solemn way."
• Insatiate means "unable to be satisfied."