adjective
1.
being without a corresponding mate
had only an odd glove; the other was lost
Synonyms: unmatched, unpaired
Related Word: lone, only, single
Contrasted words: matched, paired
2.
Synonyms: accidental , casual, chance, contingent, fluky, fortuitous, incidental
3.
Synonyms: strange 4, curious, eccentric, erratic, idiosyncratic, oddball, peculiar, queer, singular, unusual