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Synonyms

deep down

Idioms  
  1. At bottom, basically. For example, Deep down she was a rebel, or Although he would never admit it, deep down he was very fond of her. [c. 1900]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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But I had known deep down something wasn't right with me since the age of 10, when my periods and hormone cycle activated.

From BBC Jun. 1, 2026

The next revolution in physics may not take us faster than light — but it could reveal that time, deep down in the microscopic world and in a bouncing universe, flows both ways.

From Science Daily May 22, 2026

He tries to comfort himself with the idea that he stayed true to useful ideals—“At least I got a soul still, even if I’m in a bad placе”—but deep down he’s not so sure.

From The Wall Street Journal Apr. 28, 2026

Maybe it was the underbelly of all of the bravado and power-seeking—some desire to counter all the validation with the humiliation of knowing that, deep down, he’s just a revolting little worm.

From Slate Apr. 15, 2026

I’m pretty sure I knew that before, deep down, but now I know it for real.

From "Red Flags and Butterflies" by Sheryl Azzam

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