abnormal
adjective
ab·nor·mal
| \ (ˌ)ab-ˈnȯr-məl
, əb-\
, əb-\
Definition of abnormal
(Entry 1 of 2)
: deviating from the normal or average
a person with abnormal [=exceptional] strength abnormal powers of concentration
often
: unusual in an unwelcome or problematic way
abnormal behavior abnormal test results