Definition

1. Verb:
   • To commit oneself to and begin (an activity, task, or project); to take on a responsibility: To formally or seriously agree to do something or to be responsible for something.
   • To promise or guarantee that something will happen or be done: To give a formal assurance or pledge regarding a specific outcome.
   • To accept a challenge or a difficult task: To agree to attempt something demanding or complex.

Examples of Usage

• Verb:
  • The company will undertake a full investigation into the incident.
  • She undertook to finish the report by Friday.
  • He undertook the challenge of learning a new language in a year.

Advanced Usage

• "to undertake to do something": To formally promise or commit to doing a specific thing.
  • The government has undertaken to reduce carbon emissions significantly.
• "to undertake a study/research/project": To begin and carry out a formal piece of work.
  • The university will undertake a major study on climate change impacts.

Variants and Related Words

• Undertaking (n): A formal pledge or promise; a task or enterprise that is undertaken.
  • Starting a business is a serious undertaking.
• Undertaker (n): A person whose business is preparing the dead for burial or cremation and making funeral arrangements. (Note: This is a distinct compound noun, not a direct variant of the verb 'undertake' in modern usage).

Synonyms

• Take on: To agree to be responsible for something.
• Assume: To take on (a role, duty, or responsibility).
• Pledge: To commit solemnly to a course of action.
• Tackle: To make a determined effort to deal with a difficult task.

Related Phrasal Verbs

(Note: 'Undertake' itself does not commonly form phrasal verbs. Its meaning is typically expressed through the verb alone followed by a direct object or an infinitive.)

Related Idioms

• "To undertake a venture": To embark on a risky or daring project or business enterprise.
  • They decided to undertake a venture into the Asian market.

Verb

1. accept as a charge
2. enter into a contractual arrangement
3. promise to do or accomplish
   • guarantee to free the prisoners
4. accept as a challenge
   • I'll tackle this difficult task
5. enter upon an activity or enterprise