What is a broad match search?

Broad match lets a keyword trigger your ad to show whenever someone searches for that phrase, similar phrases, singular or plural forms, misspellings, synonyms, stemmings (such as floor and flooring), related searches and other relevant variations. … Broad match keywords help you reach the widest audience.

For More Information Please Refer: https://support.google.com/google-ads/answer/2407779?hl=en-GB