Idiom idiom
a good idea
Meaning
A suggestion or plan that is smart and useful. You often use this phrase to give friendly advice.
Examples
“Taking an umbrella is a good idea today.”
“It is a good idea to check the train schedule before you leave for the station.”
“While the initial proposal seemed risky, the committee eventually agreed that investing in new technology was a good idea for long-term growth.”
Last updated April 22, 2026