Select the most appropriate synonym of the given word.
Grumble

complaint

The most appropriate synonym of the word grumble is complaint.

• Grumble means to complain in a low, muttering way.
• Give means to hand over or provide something to someone.
• Grant means to give something to someone as a right or privilege.
• Threat means a statement of an intention to cause someone harm.
• Complaint is a statement that something is wrong or unsatisfactory.