идеа́льный

Optimal; being the best possibility

• The weather yesterday was ideal.

  Погода вчера была идеальная.

  Tatoeba · sundown · CC BY 2.0 FR

• What is your ideal man?

  Что значит для вас идеальный мужчина?

  Tatoeba · Hybrid · CC BY 2.0 FR

идеа́льный

Existing only in the mind; conceptual, imaginary

идеа́льный

Perfect, flawless, having no defects

идеа́льный

Pertaining to ideas, or to a given ideaредкое

идеа́льный

Teaching or relating to the doctrine of idealismредкое

идеа́льный

Not actually present, but considered as present when limits at infinity are includedредкое

A perfect standard of beauty, intellect etc., or a standard of excellence to aim at

• It is good to have ideals... don't you think?

  Иметь идеалы — это хорошо... ты так не считаешь?

  Tatoeba · TRANG · CC BY 2.0 FR

• They are too busy fighting against each other to care for common ideals.

  Они слишком заняты склоками друг с другом, чтобы думать об общих идеалах.

  Tatoeba · human600 · CC BY 2.0 FR

A two-sided ideal; a subset of a ring which is closed under both left and right multiplication by elements of the ringредкое

A non-empty lower set (of a partially ordered set) which is closed under binary suprema (a.k.a. joins)редкое