We found 2 dictionaries that define the word be a thing of the past:

General (1 matching dictionary)

1. be a thing of the past: Longman Dictionary of Contemporary English

Miscellaneous (1 matching dictionary)

2. be a thing of the past: Idioms

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