1. marked by obliqueness or indirection in speech or conduct - the explanation was circuitous and puzzling - a roundabout paragraph - hear in a roundabout way that her ex-husband was marrying her best friend • Syn: roundabout • Similar to: indirect 2. deviating from a straight course - a scenic but devious route - a long and circuitous journey by train and boat - a roundabout route avoided rush-hour traffic • Syn: devious, roundabout • Similar to: indirect • Derivationally related forms: deviousness (for: devious)