unsystematically

adjective

1. having, showing, or involving a system, method, or plan: a systematic course of reading; systematic efforts.
2. given to or using a system or method; methodical: a systematic person.
3. arranged in or comprising an ordered system: systematic theology.
4. concerned with classification: systematic botany.
5. pertaining to, based on, or in accordance with a system of classification: the systematic names of plants.

adjective

1. characterized by the use of order and planning; methodicala systematic administrator
2. comprising or resembling a systemsystematic theology
3. Also: systematical (sɪstəˈmætɪkəl) biology of or relating to the taxonomic classification of organisms

adj.1670s, from Late Latin systematicus, from Greek systematikos, from systema (see system). Related: Systematically.