Definition

Incapable of making mistakes or being wrong; always correct or reliable.

Example

Many people believe that the expert's advice is infallible and should be followed without question.

Conversation

Do you think there's an infallible way to choose the right career?

I don't know, but having a plan definitely helps.

Yeah, but sometimes it feels like no choice is infallible in life.

True, we just have to make the best decisions we can.

Synonyms & Antonyms

Root Explanation

Infallible → It is formed from "in-" (meaning not) and "fallere" (meaning to deceive or to fall). The word "infallible" means not able to fall into error or not capable of making mistakes.

Memory Tip

Think of 'not' ('in-') being able to 'fall' ('fallere') into error — that's why infallible means incapable of making mistakes.

Visually Confused Words