Choose the perfect synonym or antonym for the word

Systematic

/ˌsɪstəˈmætɪk/

Done using a fixed plan or method

Synonyms:

She takes a systematic approach to her research.The museum's cataloging is very systematic.His systematic mind made him a great chess player.

Originates from Late Latin systematicus and Greek systēmatikos, meaning pertaining to an organized system or method.

15 mentions per 1 million words

Moderate

Hint: Frequency according to COCA