SINCE 1828

An Encyclopædia Britannica Company

omnidirectional

play

adjective om·ni·di·rec·tion·al \ ˌäm-ni-də-ˈrek-shnəl , -ˌnī- , -(ˌ)dī- , -shə-nᵊl \

Definition of omnidirectional

:being in or involving all directions; especially :receiving or sending radio waves equally well in all directions

omnidirectional antenna

Recent Examples of omnidirectional from the Web

The secret is electromagnets, which keep the 360-degree omnidirectional speaker levitating.

— melissa minton, Teen Vogue, "This Levitating Speaker Takes Technology to the Next Level," 9 Aug. 2017
Created by Canadian inventor William Liddiard, these omnidirectional tires don't require major modifications to the cars themselves.

— NBC News, "These Omnidirectional Tires Could Mean the End of Your Parallel Parking Woes," 16 May 2017
Equipped with omnidirectional antennas, these satellites will improve everything wireless: fax, paging, phone, and teleworking services.

— julie sullivan, WIRED, "The Race for Space," 1 June 1997

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'omnidirectional.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of omnidirectional

1927

Learn More about omnidirectional

See words that rhyme with omnidirectional

Seen and Heard

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

show

WORD OF THE DAY

anathematize

play

to curse or denounce

BROWSE DICTIONARY

omnicide

omnicompetent

omnidirectional

omnidirectional radio range

omnifarious

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

Which of the following is a new sense of the word bunny?

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ

SCRABBLE® Sprint

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

TAKE THE QUIZ

Words at Play

alt-59c94ad823f29

'Meat Sweats': The Competitive Eater's Worst Nightmare

They're real, but is meat the cause?

alt-59c919f342079

'Diffuse' vs. 'Defuse'

Let us defuse the situation.

alt-59c52d6ee2f72

Breathing Life Into 'Inspire'

The word's origins are quite literal

alt-59c4207ecf106

Let's Talk 'Tea'

Spill it, sip it: just make it hot.

Ask the Editors

video-title-words-of-the-year-1066

Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless

Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals

Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

young-plant-shoots

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

You're going to have to memorize the dictionary again.

Take the quiz

stylized-drawing-of-woman-pole-vaulting-across-gap-to-get-trophy

Challenging Vocabulary Quiz Returns!

No tricks, just difficult words.

Take the quiz

True or False?

Test your knowledge - and maybe learn something along the way.

Take the quiz

SCRABBLE® Sprint

SCRABBLE® Sprint

SCRABBLE® fans, sharpen your skills!

Play the game