We found 2 dictionaries that define the word with certainty:

General (1 matching dictionary)

1. with certainty: Merriam-Webster

Business (1 matching dictionary)

2. with certainty: Legal dictionary

Phrases: know with certainty, statement made with certainty, knew with certainty, with absolute certainty, more... ▸ Words similar to with certainty ▸ Usage examples for with certainty ▸ Idioms related to with certainty ▸ Wikipedia articles (New!) ▸ Words that often appear near with certainty ▸ Rhymes of with certainty ▸ Invented words related to with certainty