1. Want of concern; absence of anxiety.

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

• ynconcern,
• hnconcern,
• jnconcern,
• inconcern,
• 8nconcern,
• 7nconcern,
• ubconcern,
• umconcern,
• ujconcern,
• uhconcern,
• unxoncern,
• unconern,
• unconcernd,
• unconcerne,
• Uncentery,
• unconcering,
• unconcernig,
• unyoldern,
• unconcerns,
• Inconceine

• unconfined,
• uncongenial,
• uncommonness,
• unconscious,
• unconsumed,
• unsound,
• unconverted,
• unconcealed,
• unconvincing,
• unconfessed,
• uncontrived,
• uncounted,
• unjointed,
• unconfirmed,
• uncontested,
• uncondensed,
• uncommonly,
• unconcerned,
• unconnected,
• unconstraint,
• unconvinced,
• unconfused,
• unison,
• unconsidered,
• unconfident,
• unaccented,
• unsown,
• uncommon,
• unsounded,
• uneconomic,
• unconquered.

The adverb for the word "unconcern" is "unconcernedly".

The adjective form of the word "unconcern" is "unconcerned".

The plural form of "unconcern" is "unconcerns".

The singular form of the word "unconcern" is "unconcern". The word remains the same in both singular and plural forms.