1. Vacuously or complacently and unconsciously foolish
   - fatuously

See also: inane

• styracosaurus
• styrax
• styrax family
• Styrax japonicum
• Styrax obassia
• Styrax texana
• styrene
• Styrofoam
• Styron
• Styx
• suable
• suasible
• suasion
• suasive
• suave
• suavely
• suaveness
• suavity
• sub
• sub judice
• sub-assembly
• sub-interval
• sub-rosa
• sub-Saharan
• Sub-Saharan Africa