1. A day when one's hair seems unmanageable; often then developing into a day when everything seems to go wrong, and one becomes increasingly irritable

Derived forms: bad hair days

• nontechnical
• nontelescopic
• nontelescoping
• nonterritorial
• nontextual matter
• nonthermal
• nonthrombocytopenic purpura
• nontoxic
• nontoxicity
• nontraditional
• nontransferable
• nontranslational
• nontransmissible
• nontricyclic
• nontricyclic antidepressant
• nontricyclic antidepressant drug
• nontricyclic drug
• nonturbulent
• nonuniform
• nonuniformity
• nonunion
• nonunionised
• nonunionized
• nonuple
• nonvascular organism