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infallible synonyms
View Definitions
[
UK
/ɪnfˈæləbəl/ ]
[
US
/ˌɪnˈfæɫəbəɫ/ ]
Synonyms
sure
certain
true
positive
perfect
exact
reliable
authoritative
trustworthy
dependable
faultless
unfailing
incontrovertible
irrefutable
unquestionable
unerring
apodictic
fail-safe
also accurate
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