# unscientific

/ənˌsaɪənˈtɪfɪk/ (US) · /ʌnsaɪəntˈɪfɪk/ (UK) · CEFR B2 · Adjective

Source: https://englishreference.com/word/unscientific
Updated: 2026-05-28

## Definition

not based on the methods of science or facts. You use this to describe something that is done without careful testing or evidence.

For teachers: not following the principles or methods of science; lacking a basis in empirical evidence or systematic observation.

## Examples

- The doctor said the treatment was unscientific and dangerous.
- Many people still believe in unscientific theories about how the body works, despite the evidence from medical research.
- The study was dismissed by the committee as unscientific because it relied on anecdotal evidence rather than a controlled, peer-reviewed experiment.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.