systematic

UK: /ˌsɪstəˈmætɪk/ US: /ˌsɪstəˈmætɪk/ ,(sis′tə mat′ik)

WordReference Random House Learner's Dictionary of American English © 2025

sys•tem•at•ic /ˌsɪstəˈmætɪk/  also ˌsys•temˈat•i•cal, adj. 

1. having, showing, or involving a system:
   a systematic campaign to change the law.
2. using a system or method;
   methodical:
   a systematic person.

sys•tem•at•i•cal•ly, adv.: 

systematically went through the pile of mail on her desk.

WordReference Random House Unabridged Dictionary of American English © 2025

sys•tem•at•ic  (sis′tə mat′ik), adj. 

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. Biology concerned with classification:
   systematic botany.
5. Biology pertaining to, based on, or in accordance with a system of classification:
   the systematic names of plants.

Also, sys′tem•at′i•cal. 

• Greek systēmatikós, equivalent. to systēmat- (stem of sýstēma) system + -ikos -ic
• Late Latin systēmaticus
• 1670–80

sys′tem•at′ic•ness, n. 
sys′tem•at′i•cal•ly, adv. 
Synonyms

• 2. See orderly. 

Collins Concise English Dictionary © HarperCollins Publishers::

systematic / ˌsɪstɪˈmætɪk/ adjective

1. characterized by the use of order and planning; methodical: a systematic administrator
2. comprising or resembling a system: systematic theology
3. Also: systematical / sɪstəˈmætɪkəl/ of or relating to the taxonomic classification of organisms

ˌsystemˈatically adverb