Infallible means incapable of making mistakes or being wrong — someone or something that cannot fail or always gives correct results. ✅ Meaning: Never wrong; always right. ✅ Part of speech: Adjective Examples: 1. Many people once believed that scientists were infallible. 2. The teacher’s methods seemed infallible until one experiment failed. 3. No human being is infallible — everyone makes mistakes sometimes. Synonyms: flawless, unerring #english #communication #learnenglish #publicspeaking #lan