We found 5 dictionaries that define the word a thing of the past:

General (4 matching dictionaries)

1. a thing of the past: Merriam-Webster
2. a thing of the past: Oxford Learner's Dictionaries
3. a thing of the past: Cambridge Advanced Learner's Dictionary
4. a thing of the past: Merriam-Webster

Miscellaneous (1 matching dictionary)

5. a thing of the past: Idioms

▸ Words similar to a thing of the past ▸ Usage examples for a thing of the past ▸ Idioms related to a thing of the past ▸ Wikipedia articles (New!) ▸ Words that often appear near a thing of the past ▸ Rhymes of a thing of the past ▸ Invented words related to a thing of the past