We found one dictionary that defines the word as boring as they come:

General (1 matching dictionary)

1. as boring as they come: Merriam-Webster

▸ Words similar to as boring as they come ▸ Usage examples for as boring as they come ▸ Idioms related to as boring as they come ▸ Wikipedia articles (New!) ▸ Words that often appear near as boring as they come ▸ Rhymes of as boring as they come ▸ Invented words related to as boring as they come