We found 8 dictionaries that define the word the good old days:

General (7 matching dictionaries)

1. the good old days: Longman Dictionary of Contemporary English
2. the good old days: Merriam-Webster
3. the good old days: Cambridge Advanced Learner's Dictionary
4. The Good Old Days (British TV series), The Good Old Days (Hong Kong TV series), The Good Old Days (UK TV series), The Good Old Days (film), The Good Old Days: Wikipedia, the Free Encyclopedia
5. the good old days: Rhymezone

Miscellaneous (1 matching dictionary)

6. the good old days: Idioms

Definitions from WordNet (the good old days) ▸ noun:  past times remembered with nostalgia Opposite: bad new days, dark times, decline, deterioration Types: halcyon, nostalgic, idyllic, rose-colored, more... Phrases: The Good Old Naughty Days, back in the good old days, nostalgia for the good old days, more... ▸ Words similar to the good old days ▸ Usage examples for the good old days ▸ Idioms related to the good old days ▸ Wikipedia articles (New!) ▸ Words that often appear near the good old days ▸ Rhymes of the good old days ▸ Invented words related to the good old days