rhizoverbBeta
DictionarydoctrinaireRigid adherence to theory
adjective / noun

doctrinaire

dahk-trih-NAIR/ˌdɑːktrɪˈner/

Rigidly committed to theory or ideology rather than practical needs, or a person with this commitment.

The doctrinaire theorist insists on identical supports despite the uneven ground beneath the bridge.

A rigid theorist insists on a diagram showing identical-height bridge supports, despite a tabletop model demonstrating that one support cannot reach the uneven ground.
Etymology
doctrinLatinteaching; body of teachings
+aireFrenchadherent of

An adherent of teachings became, in contemptuous political use, someone who imposed a narrow theory without allowing for practical realities. The adjective preserves that criticism of rigid allegiance to doctrine.

In context

Phillip Taylor5:35
there is a pressing need for informed and rational debate as opposed to doctrinaire rant
Phillip Taylor MBE review: Global Capital Markets. A Survey of Legal and Regulatory Trends

More examples

  • The committee needs problem solvers, not doctrinaires.
  • A doctrinaire teacher follows one method even when students struggle.
  • We need a less doctrinaire response to the housing shortage.

Forms

doctrinaire · doctrinaires

doctrine noun — A set of beliefs or principles.

Similar words

dogmatic
Emphasizes asserting beliefs as unquestionable rather than ignoring practical needs.
rigid
Emphasizes resistance to change, not necessarily devotion to theory.