preposition (formal) · formal

prior to

UK/ˈpraɪə tuː/US/ˈpraɪər tuː/PRI·or·to

task2task1speaking

before (formal); used in writing to indicate something happened earlier than something else

Examples

Prior to joining the company, she worked as a teacher.

All documents must be submitted prior to the deadline.

Prior to arriving, please call the office.

Band 8 sentence

Prior to conducting the experiment, the team obtained ethical approval from the review board.

Collocations

  • prior to + noun (e.g. prior to the meeting)
  • prior to + -ing (e.g. prior to arriving)

Word family

prior adjective

Common mistakes

Prior to to submit the form, check it carefully.Prior to submitting the form, check it carefully.

We met prior than the conference.We met prior to the conference.

Say it for a higher band

5before6beforehand7+prior to

Synonyms

before

Easily confused

before

Before the exam, she revised all her notes.

Related words

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