Definition

1. Verb (past tense of ):
   • To take on a task or responsibility: "undertook" means to have accepted or committed oneself to a particular duty, project, or challenge.
   • To begin or set about (an action): It can also mean to have started or attempted something, often implying effort or risk.
   • To promise or guarantee: In older or formal usage, "undertook" can mean to have made a formal promise or assurance.

Usage Examples

• To take on a task:

  • She undertook the project of organizing the charity event. (She accepted the responsibility for planning the event.)
  • He undertook to finish the report by Friday. (He committed himself to completing the report on time.)

• To begin an action:

  • The explorers undertook a dangerous journey across the desert. (They started a risky expedition.)
  • The company undertook a major restructuring last year. (They began a significant reorganization.)

• To promise (formal):

  • He undertook that the debt would be repaid within a month. (He guaranteed the repayment.)

Advanced Usage

• "undertook to do something": a formal construction indicating a commitment to perform an action.

  • The government undertook to provide housing for the homeless. (The government promised to supply housing.)

• "undertook a task/venture/journey": often used with nouns that imply effort, difficulty, or significance.

  • She undertook the arduous task of climbing Mount Everest. (She accepted the difficult challenge.)

Variants and Related Words

• Undertake (v, base form): to commit to or begin a task.

  • I will undertake the responsibility if no one else can. (I will accept the duty.)

• Undertaking (n): a task or project, especially one that is large or difficult.

  • Starting a new business is a risky undertaking. (It is a challenging venture.)

• Undertaker (n): a person whose profession is preparing dead bodies for burial and arranging funerals. (Note: This is a specialized meaning derived from the verb undertake, meaning "to take on the responsibility of managing funerals.")

Synonyms

• Assumed: took on a role or responsibility.

  • She assumed the role of team leader. (She undertook the leadership duty.)

• Attempted: tried to do something, especially something difficult.

  • He attempted the climb despite the bad weather. (He undertook the climb.)

• Commenced: began or started an action.

  • The work commenced at dawn. (The work was undertaken at dawn.)

Phrasal Verbs

• Undertake to: (formal) to promise or commit to doing something.

  • The contractor undertook to complete the building by June. (He promised to finish it.)

• Undertake for: (rare, archaic) to guarantee or vouch for someone or something.

  • I will undertake for his honesty. (I will guarantee his honesty.)

Related Idioms

• "Bite off more than one can chew": to undertake a task that is too large or difficult.

  • He undertook too many projects and felt overwhelmed. (He bit off more than he could chew.)

• "Take the plunge": to undertake a risky or decisive action.

  • She finally undertook the plunge and started her own business. (She took the risk.)