To better understand the usage of "irascible," let's look at a few examples in different contexts:

1. Despite his many accomplishments, Professor Johnson was known for being irascible. ...
2. The irascible customer stormed out of the store, shouting at the employees and causing a scene. ...
3. Mary's irascible nature made it challenging for her to maintain long-lasting friendships. ...
4. Despite being an irascible character, deep down, Mr. Thompson had a heart of gold. ...