We found 5 dictionaries that define the word make a mental note:

General (4 matching dictionaries)

1. make a mental note: Longman Dictionary of Contemporary English
2. make a mental note: Merriam-Webster

Miscellaneous (1 matching dictionary)

3. make a mental note: Idioms

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