Iron-clad

"Iron-clad" in a Sentence (3 examples)

Sami had an iron-clad alibi.

Tom has an iron-clad alibi.

This is not a complete, iron-clad, never-changing rule book. Rather, think of this as a general guide to discuss a few key concepts and introduce several tools that can help you keep the Internet relatively free and safe.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.