verb
belie
bih-LYE/bɪˈlaɪ/
To give an impression that hides or contradicts the truth.
The box's polished exterior belies the decay hidden inside.

Etymology
Originally meaning “deceive by lies,” belie also describes misleading appearances: something can give a false impression without anyone making a false statement.
In context
as if you didn’t quite understand the object to be answered by this consultation of ours. Do your looks belie you?” “No, sir,” I said. “My looks, on this occasion at any rate, tell the truth.”
More examples
- The cottage's modest exterior belies its spacious interior.
- His careless manner belied years of careful preparation.
- She smiles confidently, belying her uncertainty about the result.
Forms
belie · belies · belied · belying
Similar words
- contradict
- Can openly oppose a statement rather than create a misleading appearance.
- conceal
- Hides something without necessarily presenting contrary evidence.