side·​band ˈsīd-ˌband How to pronounce sideband (audio)
: the band of frequencies (as of radio waves) on either side of the carrier frequency produced by modulation

Example Sentences

Recent Examples on the Web Moon joined Brown in his progressive sideband Sir Roosevelt, which coincided with his move to Nashville. Cindy Watts,, 10 Sep. 2021

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

Word History

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of sideband was in 1921

Dictionary Entries Near sideband

Cite this Entry

“Sideband.” Dictionary, Merriam-Webster, Accessed 20 Mar. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Challenging Standardized Test Words

  • high school student holding a pencil leaning over a sat test
  • Despite the cacophony, the student tried to study.
True or False

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

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?