01 a. Existing in idea or thought; conceptional; intellectual; mental; as, ideal knowledge.
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1.
Existing in idea or thought; conceptional; intellectual; mental; as, ideal knowledge.
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2.
Reaching an imaginary standard of excellence; fit for a model; faultless; as, ideal beauty.“There will always be a wide interval between practical and ideal excellence.” — Rambler.
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3.
Existing in fancy or imagination only; visionary; unreal.
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4.
Teaching the doctrine of idealism; as, the ideal theory or philosophy.
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5.
Imaginary.(Math.)
Syn.
Intellectual; mental; visionary; fanciful; imaginary; unreal; impracticable; utopian.