Definition of undertake
1
: to take upon oneself : set about : attempt
undertake a task undertake to learn to swim
2
: to put oneself under obligation to perform
also
: to accept as a charge or responsibility
the lawyer who undertook the case
archaic
: to give surety or assume responsibility
Test Your Vocabulary
Great Words for Scrabble
-
- Which of the following Q-without-U words means the number five in cards or dice?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share undertake
Time Traveler for undertake
The first known use of undertake was in the 14th century
See more words from the same century