| noun | a variation that deviates from the standard or norm “the deviation from the mean” |
| noun | the difference between an observed value and the expected value of a variable or function |
| noun | the error of a compass due to local magnetic disturbances |
| noun | deviate behavior |
| noun | a turning aside (of your course or attention or concern) “a diversion from the main highway” |
| deviate | verb | be at variance with; be out of line with |
| diverge | verb | be at variance with; be out of line with |
| depart | verb | be at variance with; be out of line with |
| differentiate | verb | be a distinctive feature, attribute, or trait; sometimes in a very positive sense |
| deviant | adjective | markedly different from an accepted norm |
| deviate | adjective | markedly different from an accepted norm |
| diversionary | adjective | (of tactics e.g.) likely or designed to confuse or deceive |
| diversionist | noun | someone who commits sabotage or deliberately causes wrecks |
| divert | verb | turn aside; turn away from |
| digress | verb | lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking |
| deflect | verb | turn from a straight course, fixed direction, or line of interest |
| divagate | verb | lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking |