Idealism is the belief that people and the world can become better, and that it's worth working toward that improvement even when it seems difficult. An idealist believes in high standards and noble goals: a student council president might be called an idealist for believing their school can become a place where everyone feels welcome and respected.

Idealists imagine how things could be rather than just accepting how things are. When someone proposes creating a community garden in an empty lot, skeptics might say “that'll never work,” while an idealist says, “let's try.” When a scientist dedicates years to finding a cure for a disease, that persistence can come from idealism: the conviction that the goal matters enough to keep trying.

The word can carry different tones depending on context. Sometimes people admire idealism, seeing it as hopeful and inspiring. Other times they might say someone is “too idealistic,” meaning they're not being practical or realistic about obstacles. A teacher might gently tell a student that their plan to read 500 books in a month is idealistic, meaning the goal is admirable but probably impossible.

The opposite of idealism is cynicism, which assumes people are mostly selfish and things rarely improve. Successful people balance both: they maintain idealistic goals that inspire them forward while staying realistic about the steps needed to get there.