A seemingly contradictory statement that may nonetheless be true:
the paradox that standing is more tiring than walking.
An assertion that is essentially self-contradictory, though based on a valid deduction from acceptable premises.
A statement contradictory to perceived opinion.
Latin paradoxum, from Greek paradoxon, from neuter sing. of paradoxos, conflicting with expectation: para = beyond, doxa = opinion
[see Para- and Dogma.]
(in logic) a self-contradiction, "I always lie."
contradicition: absurdity, ambiguity, anomaly, catch, catch 22, enigma, inconsistency, mystery, nonsense, oddity, puzzle, reverse, oppositeness.
problem: adversity, complication, crimp, crisis, crux, dead end, deadlock, dilemma, distress, emergency, fix, frustration, hardship, hazard, hindrance, hitch, impasse, knot, mess, misfortune, muddle, obstacle, obstruction, painfulness, perplexity, pickle, predicament, quagmire, quandary, scrape, snag, stew, strain, struggle, tribulation, trouble.
misconception: aberration, ambiguity, bias, delusion, deviation, elusion, equivocation, illogicality, illusion, inconsistency, misinterpretation, non-sequitur, wrongness.
irony: sarcasm, backhanded compliment, banter, burlesque, contempt, contrariness, criticism, derision, incongruity, jibe, mockery, quip, repartee, ridicule, sardonicism, satire, twist, wit.
opposite: unlikeness, adverse, antipode, antipole, antithesis, antonym, contraditcion, contrary, contrast, converse, counterpart, foil, inverse, obverse, opposition, the extreme, other side, reverse, vice versa.
phenomenon: wonder, abnormality, anomaly, aspect, circumstance, curiosity, event, exception, experience, fact, happening, incident, marvel, miracle, nonpareil, peculiarity, rarity, reality, sensation, something else, spectacle, stunner, unique.