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KEY: Abstruse.
SYN: Hidden, recondite, difficult, profound, deep, curious, obscure, mystical, occult, hard, dark.
ANT: Patent, popular, superficial, simple, obvious, trite, intelligible, lucid, plain, easy, manifest, clear.
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KEY: Absurd.
SYN: Irrational, ridiculous, monstrous, senseless, asinine, stupid, chimerical, unreasonable, preposterous, silly, nonsensical, foolish.
ANT: Sensible, rational, reasonable, consistent, sound, substantial, logical, wise, sagacious, reflective, philosophical.
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KEY: Abundance.