[ stel-er ]
/ ˈstɛl ər /


of or relating to the stars; consisting of stars.
like a star, as in brilliance, shape, etc.
pertaining to a preeminent performer, athlete, etc.

Origin of stellar

1650–60; < Late Latin stellāris, equivalent to stell(a) star + -ārius -ar1

Related forms

non·stel·lar, adjectivetrans·stel·lar, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for stellar

British Dictionary definitions for stellar


/ (ˈstɛlə) /


of, relating to, involving, or resembling a star or stars
of or relating to star entertainers
informal outstanding or immensecompanies are registering stellar profits

Word Origin for stellar

C17: from Late Latin stellāris, from Latin stella star
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for stellar


[ stĕlər ]

Relating to or consisting of stars.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.