impenetrable

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.

In season one of “Seinfeld,” Jerry secures his apartment door with what he calls the most impenetrable lock on the market.

From The Wall Street Journal • Apr. 1, 2026

Unai Emery's side are being questioned after winning two of their past six Premier League games, and falling to three home defeats in five matches at the once impenetrable Villa Park.

From BBC • Feb. 26, 2026

The primary difference between public and private prisons, experts told Salon, is that private prisons operate in an even more impenetrable black box than public prisons.

From Salon • Jan. 28, 2026

A poorly cleared corner followed by an unfortunate deflection proved fatal to the hitherto impenetrable Parisian defence.

From Barron's • Jan. 20, 2026

The sky is a deep and impenetrable black.

From "A Rover's Story" by Jasmine Warga