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

See also: unambiguous

Antonym: ambiguously

• straight razor
• straight shooter
• straight sinus
• straight thrust
• straight ticket
• straight-arm
• straight-backed
• straight-billed
• straight-faced
• straight-fluted drill
• straight-from-the-shoulder
• straight-grained
• straight-legged
• straight-line method
• straight-line method of depreciation
• straight-out
• straightarrow
• straightaway
• straightedge
• straighten
• straighten out
• straighten up
• straightener
• straightforward
• straightforwardly