idea
i-de-a · noun
Definitions
noun
- 1.
A thought or suggestion about a possible course of action.
- 2.
A concept or mental impression.
- 3.
A belief or opinion.
- 4.
An aim or purpose.
- 5.
A vague awareness or understanding.
Forms
plural: ideas
Phrases & expressions
- •the very idea — expressing indignation or surprise
- •get the idea — understand something
- •what's the big idea? — demanding an explanation for unacceptable behavior
- •not have the foggiest idea — have no idea at all
- •that's an idea — expressing approval of a suggestion
- •put ideas in someone's head — give someone unrealistic expectations
Related words
Etymology
From Latin "idea" (a (Platonic) idea, archetype), from Greek "idea" (form, pattern, kind), from "idein" (to see), from Proto-Indo-European "*weyd-" (to see, know). In Platonic philosophy, ideas were the eternal, perfect forms of which earthly things are imperfect copies.