1. In a manner disapproved or not allowed by custom
   - illegitimately 
2. In an illegal manner
   - illegally, lawlessly

See also: illicit

Antonym: licitly

• Strad
• Stradavarius
• straddle
• Stradivari
• Stradivarius
• strafe
• strafer
• straggle
• straggler
• straggling
• stragglingly
• straggly
• straight
• straight and narrow
• straight angle
• straight arch
• straight chain
• straight chair
• straight face
• straight flush
• straight flute
• straight hang
• straight life insurance
• straight line
• straight man