Simple Definition of bilateral

from our Learner's Dictionary

bilateral

adjective

baɪˈlætərəl How to pronounce bilateral (audio)
: involving two groups or countries
bilateral trade agreements
a bilateral treaty

Cite this Entry

“Bilateral.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/bilateral. Accessed 12 Sep. 2026.

Copy Citation

More from Merriam-Webster on bilateral

Thesaurus: All synonyms and antonyms for bilateral

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of hobnob

See Definitions and Examples »

Popular in Grammar & Usage

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Why do we use apostrophes to show possession?

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?
See More

Popular in Wordplay

See More

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary

Words from the 'Odyssey'

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of
See More

Popular

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
funny guinea pig in glasses reading a book
Challenging Words You Should Know Vol 2 Words to the wise
See All