Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

cosmos

play
noun cos·mos \ˈkäz-məs, 1 & 2 also -ˌmōs, -ˌmäs\

Simple Definition of cosmos

  • the cosmos : the universe especially when it is understood as an ordered system

  • : a tall plant that has usually white, pink, or red flowers

Source: Merriam-Webster's Learner's Dictionary

Full Definition of cosmos

  1. 1 a :  universe 1 b (1) :  an orderly harmonious systematic universe — compare chaos (2) :  order, harmony

  2. 2 :  a complex orderly self-inclusive system

  3. 3 plural cosmos \-məs, -məz\ also cosmoses play \-mə-səz\ [New Latin, genus name, from Greek kosmos] :  any of a genus (Cosmos) of tropical American composite herbs; especially :  a widely cultivated tall annual (C. bipinnatus) with yellow or red disks and showy ray flowers

Examples of cosmos in a sentence

  1. the origins of the cosmos

  2. <an essay that ponders the place of humankind in the vast cosmos>



Illustration of cosmos

Origin and Etymology of cosmos

Greek kosmos


First Known Use: 1596



COSMOS Defined for Kids

cosmos

play
noun cos·mos \ˈkäz-məs, 1 is also -ˌmōs, -ˌmäs\

Definition of cosmos for Students

  1. 1 :  the universe especially as thought of as an orderly system

  2. 2 :  a tall garden plant related to the daisies that has showy white, pink, or rose-colored flower heads





Seen and Heard

What made you want to look up cosmos? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to criticize in a loud and angry way

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

frenetic philistine lazy melancholy
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ