Definition of irresponsible
(Entry 1 of 2)
: not responsible: such as
a
: lacking a sense of responsibility
b
: said or done with no sense of responsibility
irresponsible accusations
c
: unable especially mentally or financially to bear responsibility
d
: not answerable to higher authority
an irresponsible dictatorship
irresponsible
nounDefinition of irresponsible (Entry 2 of 2)
: a person who is irresponsible
Test Your Vocabulary
Name That Color
-
- Name that color:

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share irresponsible
Time Traveler for irresponsible
The first known use of irresponsible was in 1648
See more words from the same year