AskDefine | Define undertake

Dictionary Definition



1 enter upon an activity or enterprise [syn: set about, attempt]
2 accept as a challenge; "I'll tackle this difficult task" [syn: tackle, take on]
3 promise to do or accomplish; "guarantee to free the prisoners" [syn: guarantee]
4 enter into a contractual arrangement [syn: contract]
5 accept as a charge [syn: take in charge] [also: undertook, undertaken]

User Contributed Dictionary



  • /ʌndə'teɪk/
  • Rhymes: -eɪk


  1. To start an enterprise; to embark on a specific task.
    He undertook a course of medication.
  2. To commit oneself to an obligation
    He undertook to take more exercise in future.
  3. to overtake on the wrong side.
    I hate people that try and undertake on the motorway.

Derived terms


To start an enterprise

Synonyms, Antonyms and Related Words

accept, accept obligation, agree, agree to, answer for, approach, assay, assume, attack, attempt, bargain, bargain for, be answerable for, be responsible for, be security for, begin, bind, buckle to, carry on, certify, chance, commence, commit, compact, conduct, contract, covenant, dive into, do, do a deal, embark in, embark on, embark upon, employ, endeavor, engage, engage in, enter on, enter upon, essay, exercise, fall into, fall to, follow, get busy, get cracking, get going, get under way, get with it, go about, go at, go bail for, go in for, go into, go to it, go upon, guarantee, have an understanding, have at, hop to it, jump to it, launch forth, launch into, lay about, lift a finger, light into, make a deal, make an attempt, make an effort, move into, obligate, offer, pass, pitch in, pitch into, pledge, plunge into, practice, proceed to, promise, prosecute, pursue, sail into, seek, set about, set at, set forward, set going, set to, set to work, shake hands on, specialize in, stand back of, start, start in, stipulate, strive, struggle, swear, tackle, take on, take the vows, take to, take up, try, turn to, use, venture, venture on, venture upon, vow, wade into, wage, warrant, work at
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