noun mon·soon \män-ˈsün, ˈmän-ˌ\

: a wind in the Indian Ocean and southern Asia that brings heavy rains in the summer

: the rainy season that occurs in southern Asia in the summer

: the rain that falls during this season

Full Definition of MONSOON

:  a periodic wind especially in the Indian Ocean and southern Asia
:  the season of the southwest monsoon in India and adjacent areas that is characterized by very heavy rainfall
:  rainfall that is associated with the monsoon
mon·soon·al \-ˈsü-nəl, -ˌsü-\ adjective

Examples of MONSOON

  1. floods caused by summer monsoons

Origin of MONSOON

obsolete Dutch monssoen, from Portuguese monção, from Arabic mawsim time, season
First Known Use: 1584

Other Climate/Meteorology Terms

occlusion, ozone, rime, squall, zephyr
MONSOONAL Defined for Kids


noun mon·soon \män-ˈsün\

Definition of MONSOON for Kids

:  a wind in the Indian Ocean and southern Asia that blows from the southwest from April to October and from the northeast from October to April
:  the rainy season that comes with the southwest monsoon


Next Word in the Dictionary: mons pubisPrevious Word in the Dictionary: monsignorAll Words Near: monsoon
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears