Definition: not capable of committing an error or making a mistake
Part of Speech: Adjective
Synonym(s): flawless, faultless
Antonym(s): fallible, imperfect
1. Because Jackson is not infallible, he makes mistakes.
2. The operating system is not infallible so you might receive an error warning while using the program.
3. When the famous lawyer made a huge mistake and lost his case, he showed he was infallible.