deep down

1. 1.

   in reality

   “she is very kind at heart”

   Synonymsat heartat bottominsidein spite of appearance

Questions about deep down

What does deep down mean?

deep down means "in reality".

What is another word for deep down?

Close synonyms include at heart, at bottom, inside, in spite of appearance. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is deep down a common word?

deep down is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.