nonmatched

Lacking a counterpart

Nonmatched describes things that have not been paired or coordinated with corresponding items.

In research contexts, a nonmatched control group lacks the deliberate pairing of subjects by characteristics like age or background.

In data processing, nonmatched records are entries that failed to find corresponding entries in another dataset.

The word often appears in technical or administrative contexts where matching is expected but hasn't occurred.

incompatible

discordant

Lacking musical agreement

inconsistent · misaligned · unsuitable · incompatible · irreconcilable · divergent · disagreeing · dissonant · contradictory · inharmonious

unpaired

single

One in number

alone · unattached · uncoupled · partnerless · orphaned · widowed · unaccompanied · solitary · singular · lone

unselected

unchosen

Not picked or selected

rejected · unassigned · unpicked · excluded · eliminated · disqualified · unranked · unseeded · undrafted · bypassed

Opposites
pairing/correspondence

nonmatchedmatched

Paired by similarity

paired · aligned · corresponding · coupled · coordinated

Family

match, matched, matching, matches, matcher, unmatched, mismatched, mismatch, rematch

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