deep down

adverb
UK: /ˌdiːp ˈdaʊn/
US: /ˌdiːp ˈdaʊn/

  1. Really and truly; at a fundamental level of one's being or feelings.

    1. I knew deep down it was the right thing to do. [ ] [ ]
    2. Deep down, I think he's a good person despite his flaws and bad decisions. [ ] [ ]

Synonyms

fundamentally inwardly basically
deep down idiom

  1. Secretly or privately; in one's inmost thoughts or feelings. It's used to express what someone truly feels, even if they don't show it.

    1. Deep down, she was happy for her friend's success. [ ] [ ]
    2. He knew deep down that he had made a terrible mistake he couldn't undo so easily. [ ] [ ]

Frequently Asked Questions

The phonetic transcription of "deep down" is /ˌdiːp ˈdaʊn/ in British English and /ˌdiːp ˈdaʊn/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "deep down": fundamentally, inwardly, basically.

Example usage of "deep down": "I knew deep down it was the right thing to do.". More examples on the page.