1. (superl.) Not paired with another, or remaining over after a pairing; without a mate; unmatched; single; as, an odd shoe; an odd glove.

2. (superl.) Not divisible by 2 without a remainder; not capable of being evenly paired, one unit with another; as, 1, 3, 7, 9, 11, etc., are odd numbers.

3. (superl.) Left over after a definite round number has been taken or mentioned; indefinitely, but not greatly, exceeding a specified number; extra.

4. (superl.) Remaining over; unconnected; detached; fragmentary; hence, occasional; inconsiderable; as, odd jobs; odd minutes; odd trifles.

5. (superl.) Different from what is usual or common; unusual; singular; peculiar; unique; strange.

abnormal absolute absurd algorismic algorithmic aliquot alone anomalous asymmetric azygous bereft of reason brainsick cardinal casual celibate chance contingent contrasting counter crackbrained cracked crank crankish cranky crazed crazy crotchety curious daft decimal deluded demented deprived of reason deranged deviant deviative different differential digital disoriented disparate disproportionate dissimilar distraught divergent diverse dotty eccentric erratic even exceptional exponential extra fey figural figurate figurative finite first and last flaky flighty fluky fortuitous fractional freaked out freakish freaky funny hallucinated hardly like idiocratic idiosyncratic ill-matched ill-sorted imaginary impair impossible inadequate incidental infinite insane insufficient integral irrational irregular kinky kooky left leftover loco logarithmic logometric lone lunatic mad maddened maggoty manic mazed mental mentally deficient meshuggah mismatched moon-struck negative net non compos non compos mentis nonuniform not all there not right numeral numerary numerative numeric nutty occasional oddball of unsound mind off off the wall offbeat one and only only only-begotten ordinal out out of proportion out-of-the-way outlandish outstanding over pair part-time passing strange peculiar positive possible prime psycho quaint queer quirky radical rational real reasonless reciprocal remaining remanent scarcely like screwball screwy senseless sick side single singular skew skewed sole spare stark-mad stark-staring mad strange submultiple superfluous surd surplus surviving tetched to spare touched transcendental twisted unalike unbalanced unconsumed unconventional unearthly unequal uneven unhinged unidentical unique unlike unmatched unnatural unpaired unrepeated unresembling unsame unsane unsettled unsimilar unsound unused unusual wacky wandering weird whimsical witless wondrous strange