Skip to content

Search the dictionary

Word of the Day Etymology Tools A–Z History

unfallible

Ask AI about its historyChatGPT Claude Perplexity Google AI Grok

The story

From un- + fallible.

Etymology from Wiktionary, CC BY-SA 4.0.

Explore origins

Words from Middle English
Words from Latin
Words from French
Words from Ancient Greek
Words from German
Words from Spanish
Words from Italian
Words from Japanese
Words from Old English
Words from Mandarin

WatkinsX Dictionary

Free English definitions, synonyms and word origins — with pronunciation audio and word tools. No accounts, no ads, no tracking.

Explore

Word of the Day
Random word
Word origins
Word tools
Vocabulary quiz

About

About & sources
RSS feed
Your lookup history

Definitions, etymologies and pronunciations come from Wiktionary contributors via kaikki.org and are available under CC BY-SA 4.0. Audio from Wikimedia Commons.

Ask AIChatGPT Claude Perplexity Google AI Grok