Used to express minor annoyance or complaints, often in a persistent manner. Liam's constant gripe about the office temperature was getting on everyone's nerves.
Pro Tip 2/3
Not Too Serious
Gripe usually refers to less serious complaints, not severe criticisms. Her only gripe with the hotel was the lack of free Wi-Fi.
Pro Tip 3/3
Colloquial Usage
Gripe can be informal and is often used in casual conversation rather than in formal writing. They have a gripe with the way the team leader distributes tasks.