1. In an unambiguous manner
   - unequivocally 
2. So as to be unique
   - uniquely

See also: unambiguous

Antonym: ambiguously

• defibrillation
• defibrillator
• defibrinate
• deficiency
• deficiency disease
• deficient
• deficiently
• deficit
• deficit spending
• defier
• defilade
• defile
• defiled
• defilement
• defiler
• definable
• define
• defined
• definer
• defining
• definite
• definite article
• definite integral
• definite quantity
• definitely