idiom dictionary - SERP Analysis

https://idioms.thefreedictionary.com/

https://www.theidioms.com/

https://www.merriam-webster.com/dictionary/idiom

https://www.idioms.online/

https://www.amazon.com/Scholastic-Dictionary-Idioms-Marvin-Terban/dp/0439770831

https://www.dictionary.com/browse/idiom

https://dictionary.cambridge.org/us/dictionary/english/idiom

https://www.usingenglish.com/reference/idioms/

https://www.reddit.com/r/FanFiction/comments/m63i3s/is_there_a_good_dictionary_for_english_idioms/

https://en.wiktionary.org/wiki/Category:English_idioms