idea's

Belonging to thought

Idea's is the possessive form of idea, indicating something belongs to or originates from an idea: The idea's appeal faded quickly.

It also contracts "idea is" or "idea has": That idea's been tried before.

Context distinguishes these uses.

The apostrophe is sometimes mistakenly added to the simple plural ideas.

concept

thought's

Of a mental conception

theory's

creativity

invention's

Of a new creation

intention

plan's

Belonging to a strategy

project's · target's

belief

opinion's

Belonging to a belief

suggestion

input's

Received data's possessive

Phrases
Family

idea, ideas, ideal, ideals, idealism, idealist, idealistic, idealistically, idealize

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G