Synonyms of the word

unpaired

• adj. not forming one of a pair.
• v. simple past tense and past participle of unpair.

mismatched

• v. simple past tense and past participle of mismatch.
• adj. Unsuitably matched; ill joined.

odd

• adj. (not comparable) Single; sole; singular; not having a mate.
• adj. (obsolete) Singular in excellence; unique; sole; matchless; peerless; famous.
• adj. Singular in looks or character; peculiar; eccentric.
• adj. Strange, unusual.
• adj. (not comparable) Occasional; infrequent.
• adj. (not comparable) Left over, remaining when the rest have been grouped.
• adj. (not comparable) Casual, irregular, not planned.
• adj. (not comparable, in combination with a number) About, approximately.
• adj. (not comparable) Not divisible by two; not even.
• n. (mathematics, diminutive) An odd number.

unmatched

• adj. (of a pair of things) not matched; odd.
• adj. (of a single thing) not matched with anything else.
• adj. peerless; unrivalled; beyond comparison.
• v. simple past tense and past participle of unmatch.

unmated

• adj. Not mated.