1. Marked by obliqueness or indirection in speech or conduct
   "the explanation was circuitous and puzzling"
   - roundabout 
2. Deviating from a straight course
   "a long and circuitous journey by train and boat"
   - devious, roundabout

See also: indirect

• intersectional
• intersex
• intersexual
• interspace
• interspecies
• interspecific
• interspersal
• intersperse
• interspersion
• interstate
• Interstate Commerce Commission
• interstate highway
• interstellar
• interstellar medium
• interstellar space
• interstice
• interstitial
• interstitial cell-stimulating hormone
• interstitial fluid
• interstitial plasma cell pneumonia
• interstitial pneumonia
• interstitial tissue
• interstratify
• intertextuality
• intertidal