Definition of deviation
: an act or instance of deviating: as a : deflection of the needle of a compass caused by local magnetic influences (as in a ship) b : the difference between a value in a frequency distribution and a fixed number (as the mean) c : departure from an established ideology or party line d : noticeable or marked departure from accepted norms of behavior
deviationismplay \-shə-ˌni-zəm\ noun
deviationistplay \-sh(ə-)nist\ noun or adjective
Examples of deviation in a sentence
There have been slight deviations in the satellite's orbit.
Having juice instead of coffee was a deviation from his usual routine.
The pattern's deviation from the norm is significant.
First Known Use of deviation
DEVIATION Defined for English Language Learners
Definition of deviation for English Language Learners
: an action, behavior, or condition that is different from what is usual or expected
: the difference between the average of a group of numbers and a particular number in that group
Medical Definition of deviation
: an act or instance of diverging from an established way or in a new direction: asa: evolutionary differentiation involving interpolation of new stages in the ancestral pattern of morphogenesisb: noticeable or marked departure from accepted norms of behavior
Seen and Heard
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