- 1[countable] a task or project, especially one that is important and/or difficult synonym venture He is interested in buying the club as a commercial undertaking. In those days, a cross-country trip was a dangerous undertaking.
- 2[countable] (formal) an agreement or a promise to do something undertaking (to do something) a government undertaking to spend more on education undertaking (that…) The landlord gave a written undertaking that the repairs would be carried out.
- 3NAmE//ˈʌndərteɪkɪŋ//[uncountable] the business of an undertaker
Check pronunciation: undertaking