CEFR B1
deep down
idiomatic adverbial phrase
Meaning
In one's innermost thoughts or feelings, often contrary to what is outwardly expressed.
Examples
- Deep down, she knew that moving to a new city was the right decision for her career.
- He pretended not to care about the criticism, but deep down it really hurt his feelings.
Synonyms: really, at heart, inwardly, at the core