1. Used of nonindulgent persons
   - self-disciplined, self-restraining

See also: nonindulgent, strict

• Unionidae
• unionisation
• unionise
• unionised
• unionism
• unionist
• unionization
• unionize
• unionized
• uniovular
• uniovulate
• uniparous
• unipod
• unipolar
• unipolar depression
• unique
• uniquely
• uniqueness
• uniquity
• unironed
• unisex
• unisexual
• unison
• unit
• unit cell