infallible
adjective · noun
Simple meaning
Without fault or weakness.
Pronunciation
Say it like this:
ihnfaluhbuhlSay the bold part a little louder.
IPA pronunciation (US)
ɪnˈfæləbəl
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
adjective
Without fault or weakness; incapable of error or fallacy.
Certain to produce the intended effect; sure.
noun
A person who, or an object or process that, is taken as being infallible.
Word at a Glance
- Difficulty
- C2 · Proficient
- Frequency
- Rare
- Typical Use
- Primarily written
Word Aura™
How this word commonly comes across.
Aura for this meaning
This meaning: Without fault or weakness; incapable of error or fallacy.
Used this way, infallible is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.
- Emotional tone
- Neutral
- Formality
- Neutral
- Intensity
- Not strongly marked
- How common
- Moderately common
- Connotation
- No strong connotation
- Usage feel
- Neutral and straightforward
Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.
More ways to use infallible
- “An infallible antidote.”adjective
Share your sentence
Common Patterns and Combinations
How this word naturally appears with others.
Use This Word
See how this word sounds in a real sentence.
Ask Vocabaura
Understand the word your way.
What Does It Mean Here?
Words can change meaning depending on context.
Use it yourself
Keep learning “infallible” by choosing the kind of practice you need next.
- Practice sentence writingWrite sentences with vocabulary and get instant feedback.
- Practice in contextAnswer short vocabulary questions drawn from real situations.
- Review vocabularyTest your recall and strengthen words over time.
- Practice typingType vocabulary from meanings, examples and other prompts.
Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.