1. That cannot be equalled; un paralleled.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• ynmatchable,
• hnmatchable,
• jnmatchable,
• inmatchable,
• 8nmatchable,
• 7nmatchable,
• ubmatchable,
• ummatchable,
• ujmatchable,
• unmachable,
• unmathable,
• unmatchble,
• unmacthable,
• unmatchabel,
• unmatchible,
• imatchable,
• unatachable,
• uncatchble,
• uncatcheble,
• unmanerable

• unattackable,
• unwatchful,
• unhatched,
• undogmatical,
• unattached,
• undischarged,
• unmatched,
• undogmatic,
• untouchable.

The adjective form of "unmatchable" is "unmatchable". The word remains the same for its adjective form.

The plural form of the word "unmatchable" is "unmatchables".

The singular form of the word "unmatchable" is "unmatchable".