1. Subject to accident or chance or change
   - chancy, fluky, iffy

See also: fluke, uncertain

• ill-chosen
• ill-conceived
• ill-considered
• ill-defined
• ill-disposed
• ill-dressed
• ill-equipped
• ill-famed
• ill-fated
• ill-favored
• ill-favoured
• ill-fed
• ill-fitting
• ill-formed
• ill-gotten
• ill-humored
• ill-humoured
• ill-informed
• ill-judged
• ill-mannered
• ill-natured
• ill-omened
• ill-proportioned
• ill-scented
• ill-shapen