noun
1.
departure from a course or procedure or from a norm or standard
no deviation from traditional methods was permitted
Synonyms: aberration, deflection, departure, divergence, diversion, turning
Related Word: alteration, change, modification, variation; breach, transgression, violation; anomaly, failing, fault; blunder, error, lapse
Contrasted words: accordance, agreement, conformance, conformity, correspondence
2.
Synonyms: turn 2, bend, deflection, double, shift, tack, yaw