Synonyms of the word

atypical

• adj. Not conforming to the normal type.
• adj. Unusual or irregular.
• n. (pharmacy) An atypical antipsychotic.

abnormal

• adj. Not conforming to rule or system; deviating from the usual or normal type.
• adj. Of or pertaining to that which is irregular, in particular, behaviour that deviates from norms of social…
• n. A person or object that is not normal.

irregular

• adj. Nonstandard; not conforming to rules or expectations.
• adj. Of a surface, rough.
• adj. Without symmetry, regularity, or uniformity.
• adj. (geometry, of a polygon) Not regular; having sides that are not equal or angles that are not equal.
• adj. (geometry, of a polyhedron) Whose faces are not all regular polygons (or are not equally inclined to each…
• n. A soldier who is not a member of an official military force and, often, does not follow regular army tactics.
• n. One who does not regularly attend a venue.

uncharacteristic

• adj. Not characteristic.
• adj. Out of character; behavior that is unusual for a given person or thing.

unrepresentative

• adj. Not representative.

untypical

• adj. not typical, atypical, unusual.