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Thesaurus.com
MEANINGS
Meanings
Emoji
Slang
Acronyms
Pop Culture
Memes
Gender and Sexuality
Mixed-up Meanings
GAMES
Games
Daily Crossword Puzzle
Crossword Solver
Scrabble Word Finder
Word Puzzle
Hurdle
Outspell
Word Wipe
See More Games & Solvers
LEARN
Learn
Word Lists
New Words
Trending Words
All About English
Science and Technology
Literature and Arts
WRITING
Writing
Grammar Coach
Writing Prompts
Grammar 101
Writing Tips
Ways to Say It Better
WORD OF THE DAY
Word of the Day
Word of the Day
Synonym of the Day
Word of the Year
Thesaurus
/
os-2
FEEDBACK
os-2
as in
operating system
synonyms for
os-2
Compare Synonyms
MS-DOS
MacOS
OS
OS/2
UNIX
Windows
disk operating system
dos
executive
system software
systems program
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
QUIZ
Try Not To Default On This Government Debt Terms Quiz!
START THE QUIZ
SYNONYM OF THE DAY
OCTOBER 26, 1985
Choose the synonym for
future
capacitor
lightning
DeLorean