We found 3 dictionaries that define the word make certain of:

General (2 matching dictionaries)

1. make certain of: Merriam-Webster
2. make certain of: Collins English Dictionary

Miscellaneous (1 matching dictionary)

3. make certain of: Idioms

▸ Words similar to make certain of ▸ Usage examples for make certain of ▸ Idioms related to make certain of ▸ Wikipedia articles (New!) ▸ Words that often appear near make certain of ▸ Rhymes of make certain of ▸ Invented words related to make certain of