WordReference Random House Learner's Dictionary of American English © 2026
sys•tem•at•ic /ˌsɪstəˈmætɪk/USA pronunciation also ˌsys•temˈat•i•cal,
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- having, showing, or involving a system:a systematic campaign to change the law.
- using a system or method;
methodical:a systematic person.
sys•tem•at•ic
(sis′tə mat′ik),USA pronunciation adj.
sys′tem•at′ic•ness, n.
sys′tem•at′i•cal•ly, adv.
- having, showing, or involving a system, method, or plan:a systematic course of reading; systematic efforts.
- given to or using a system or method;
methodical:a systematic person. - arranged in or comprising an ordered system:systematic theology.
- Biologyconcerned with classification:systematic botany.
- Biologypertaining to, based on, or in accordance with a system of classification:the systematic names of plants.
- Greek systēmatikós, equivalent. to systēmat- (stem of sýstēma) system + -ikos -ic
- Late Latin systēmaticus
- 1670–80
sys′tem•at′i•cal•ly, adv.
- 2. See orderly.
'systematically' also found in these entries (note: many are not synonyms or translations):
behaviour therapy
- build up
- card index
- comb out
- conjugate
- construct
- education
- explore
- herbarium
- indoctrinate
- investigate
- nihilism
- -ol
- reduce
- scan
- Shelta
- treatise
- block caving
- bork
- brainwashing
- catalog
- cloze
- code
- debrief
- experiment station
- flora
- formulate
- metapsychology
- olé
- process
- quasi-systematically
- range
- unscramble
- unscrambler
- science
- scramble
- screen