Main Entry: ab·er·rant

Pronunciation: \a-ˈber-ənt, ə-; ˈab-ə-rənt, -ˌe(ə)r-ənt\

Function: adjective

1 : straying from the right or normal way <aberrant behavior>
2 : deviating from the usual or natural type : atypical <aberrant salivary tissue>