ideal
Proposed by a contributor, not yet supported by evidence.
Also seen as: ideals
Sense 1
Pertaining to ideas, or to a given idea.
Adjective
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Existing only in the mind; conceptual, imaginary.
Adjective
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
A perfect standard of beauty, intellect etc., or a standard of excellence to aim at.
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 4
A two-sided ideal; a subset of a ring which is closed under both left and right multiplication by elements of the ring.
Một tập con của vành đóng dưới cả nhân trái và nhân phải
Machine-translated — suggest a fix
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “ideal” mean?
Pertaining to ideas, or to a given idea.
Is “ideal” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.