1. a task or project that someone commits to do
2. a formal promise or commitment to do something
3. the business of preparing dead bodies for burial and arranging funerals
Usage: formal

Examples

• Building the new library was a massive undertaking for the small town.
• The company gave an undertaking to reduce its carbon emissions by 50%.
• She signed an undertaking not to reveal confidential information.
• The renovation project proved to be a more complex undertaking than expected.
• His family has been in the undertaking business for three generations.
• The peace negotiations were a delicate diplomatic undertaking.
• They provided a written undertaking to complete the work by December.