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]

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Example Sentences

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

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

"On the surface, you try and put a brave face on - but deep down inside you know you're not right," Ross said.

From BBC • Mar. 5, 2026

And at that point, he simply couldn’t resist launching a throw deep down the field.

From The Wall Street Journal • Jan. 30, 2026

“I think deep down, we have a feeling things are actually getting worse, and it’s too scary to think about,” I said.

From "Here to Stay" by Sara Farizan

Related Words

• built-in
• chronic
• deep-rooted
• inbred
• inherent