Complain
Definition 1 of 3
Pro Tip 1/3
Express Discontent
Use 'complain' to express unhappiness or dissatisfaction with a service or situation. She complained about the cold room at the hotel.
Pro Tip 2/3
Casual Expression
'Complain' is casual, suitable for everyday conversation when discussing minor annoyances. He always complains about the morning traffic.
Pro Tip 3/3
Polite Complaints
To be polite, soften your complaint with phrases like 'I’m sorry to complain, but...'. I’m sorry to complain, but this coffee is cold.