There are 2 definitions of undertake in English:

undertake1

Syllabification: un·der·take
Pronunciation: /ˌəndərˈtāk
 
/

verb (past undertook; past participle undertaken)

[with object]
1Commit oneself to and begin (an enterprise or responsibility); take on: a firm of builders undertook the construction work
More example sentences
  • When I became president two-and-a-half years ago I undertook a duty and responsibility.
  • This is a mammoth project undertaken by a very committed and brave team of artists and technicians.
  • To undertake the duties and responsibilities of a platoon sergeant, you are expected to be at the top of your game.
Synonyms
tackle, take on, assume, shoulder, handle, manage, deal with, be responsible for; engage in, take part in, go about, set about, get down to, come to grips with, embark on; attempt, try, endeavor
informal have a go at
formal essay
1.1 [usually with infinitive] Promise to do a particular thing: the firm undertook to keep price increases to a minimum
More example sentences
  • This is a general contractual principle - whenever anyone undertakes to secure a particular end, failure to do so is breach of contract.
  • Some institutions have undertaken to provide the participants with caps and T-shirts.
  • He agreed to pay the full sum, half of which was tax and half accrued interest and penalties, and undertook to sell off family assets to meet the demand within six months.
1.2 [with clause] Guarantee or affirm something; give as a formal pledge: a truck driver implicitly undertakes that he is reasonably skilled as a driver
More example sentences
  • The Buyer undertakes that, based on the information which it has received at the date of this Agreement, it does not believe that it has cause to bring a material Relevant Claim in respect of breach of any of the Warranties.
  • Secondly, he undertakes that, on due presentment of the bill to the drawee, it will be duly accepted (where acceptance is needed) and paid.
  • The buyer undertakes that, in consideration of the bank releasing the bill of lading to it, it will hold it on trust for the bank, together with the goods and the proceeds of their sale.

Definition of undertake in:

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Word of the day keek
Pronunciation: kēk
verb
peep surreptitiously

There are 2 definitions of undertake in English:

undertake2

Line breaks: under|take
Pronunciation: /ʌndəˈteɪk/

Entry from British & World English dictionary

verb (past undertook; past participle undertaken)

[with object] British
Catch up with and pass (another vehicle) while travelling on the inside: he undertook me, at 70 mph, while on his mobile (as noun undertaking) speeding, tailgating, and undertaking on a motorway are all examples of driving without due care and attention

Definition of undertake in: