systematic

systematic — adjective

1. Carried out using a fixed, organized method where each step follows the previous

1.adjectiveB2
Definition

Carried out using a fixed, organized method where each step follows the previous one in a logical way, rather than happening randomly or without structure.

Example

The research team adopted a systematic approach to testing each new drug compound.

systematic approach to [noun/gerund]

Before moving to a new city, Rin created a systematic plan for packing every room.

systematic plan for [noun/gerund]

Common collocations
  • systematic approach
  • systematic method
  • systematic review
  • systematic analysis
  • systematic study
  • systematic way
  • systematic in one's approach
  • systematic about one's work
Synonyms
  • methodical

    Focuses on careful step-by-step procedure; slightly narrower than systematic

  • organized

    Emphasises order and arrangement; can describe a person's habits, not just a process

  • structured

    Highlights a clear framework or plan; often used for documents, courses, or systems

  • orderly

    Suggests neatness and regularity; less formal than systematic

Antonyms
  • unsystematic

    Direct opposite — lacking any plan or method

  • haphazard

    Done without care or planning; random and disorganised

  • random

    With no pattern, method, or purpose

Grammar Patterns

systematic + noun

be systematic in/about + noun/gerund

Usage Note

Frequently used before nouns describing processes, studies, or methods (approach, review, analysis, investigation, study). The adverbial form systematically is very common with verbs like organize, review, examine.

Common Mistakes

The manager made a systematic decision without thinking.
The manager made a systematic decision by following a clear procedure.
'systematic' implies a planned method, not just any decision.
She was very systematic to clean the kitchen.
She was very systematic in her approach to cleaning the kitchen.
'systematic in' or 'systematic about' is the natural pattern, not 'systematic to'.

2. Concerning the scientific rules and methods used to identify, name, and arrange

2.adjectiveC1
Definition

Concerning the scientific rules and methods used to identify, name, and arrange living things or other items into groups according to their features and relationships.

Example

Botanists use a systematic classification to group plants by shared physical characteristics.

relating to taxonomic classification

The museum's systematic catalog of insect specimens impressed visiting researchers from Seoul.

Common collocations
  • systematic classification
  • systematic grouping
  • systematic naming
  • systematic catalog
  • systematic taxonomy
  • systematic botany
  • systematic biology
Synonyms
  • taxonomic

    Direct synonym; more specific to biological classification

  • classificatory

    Formal term; relates to any system of classification

  • categorical

    Based on categories; broader in meaning

Grammar Patterns

systematic + noun (classification, grouping, naming, catalog)

Usage Note

This sense is restricted to formal or scientific contexts, especially biology and library science. Distinguish from sense 1 (METHODICAL): sense 2 refers specifically to the system of classification itself, not to a methodical way of doing something.

Common Mistakes

The librarian created a systematic filing system' (when meaning 'methodical').
Use 'methodical' or 'organized' for general methodical processes unless you are specifically referring to scientific classification rules.

Word family

  • system
    nounA2
  • systematically
    adverbB2
  • systematize
    verbC1
  • systematization
    nounC1
  • unsystematic
    adjectiveC1
  • systemic
    adjectiveC1

Synonym discussion

Sense: adjective/1

Systematic, methodical, organized, and structured all describe order and planning, but differ in emphasis. Systematic (B2) stresses a complete system with interdependent steps — a systematic review follows a fixed protocol from start to finish. Methodical (B2) focuses on careful, unhurried step-by-step work, often describing a person's temperament: a methodical reader goes through every page in order. Organized (A2 as adjective) is the broadest term, describing things arranged neatly or a person who keeps things in order — it does not imply a multi-step procedure. Structured (B2) highlights a clear framework or hierarchy, often used for documents, courses, or interviews: a structured interview has predetermined questions. In everyday speech, organized is most common; in academic or professional writing, systematic and structured are preferred. Example: 'She took a systematic approach to the literature review, searching each database with the same keywords' vs 'He was methodical about checking each data point twice.'

systematic ↗methodicalorganized ↗structured ↗

Common collocations

Nouns

Adverbs

  • systematically

Phrases

  • in a systematic way
  • on a systematic basis

Prepositions

Etymology

GreekLatinFrenchEnglish

The word systematic comes from French systématique, which traces back through Latin systematicus to Greek systēmatikos, from systēma meaning 'a whole made of several parts or members.' The Greek root syn- means 'together' and histanai means 'to set, place, cause to stand.' The sense relating to classification (sense 2) developed in the context of 18th-century biological taxonomy, especially the work of Carl Linnaeus.