1. Without explicit official permission
   "unsanctioned use of company cars"

See also: unofficial

• chef
• chef's salad
• chef-d'oeuvre
• Cheilanthes
• Cheilanthes alabamensis
• Cheilanthes eatonii
• Cheilanthes gracillima
• Cheilanthes lanosa
• cheilitis
• cheiloschisis
• cheilosis
• Cheiranthus
• Cheiranthus allionii
• Cheiranthus asperus
• Cheiranthus cheiri
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• chela
• chelate
• chelate compound
• chelated
• chelation
• chelicera
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• Chelicerata