Pronunciation guide

How to pronounce rationale

rash-uh-NAL (US) or rash-uh-NAHL (UK); three syllables, stress at the end

US/ˌɹæʃ.əˈnæl/

ɹæʃənæl

UK/ˌɹæʃ.əˈnɑːl/

ɹæʃənɑːl

New to IPA symbols? Read the IPA guide.

Common mistake

It is not the same as 'rational' - 'rationale' adds a stressed final syllable, 'rash-uh-NAL'.

What “rationale” means

An explanation of the basis or fundamental reasons for something.

A justification or rationalization for something.

In a sentence

  • The rationale for the policy was outlined in the briefing.
  • Researchers explained the rationale behind the proposal.

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Definitions and examples are derived from Wiktionary, used under CC BY-SA 4.0, then edited by QuickPronounce. Pronunciation data draws on CMUdict.