Synonyms for infallible
- authoritative
- flawless
- foolproof
- unbeatable
- acceptable
- accurate
- agreeable
- apodictic
- certain
- correct
- effective
- effectual
- efficacious
- efficient
- exact
- faultless
- handy
- helpful
- impeccable
- incontrovertible
- inerrable
- inerrant
- omniscient
- perfect
- positive
- reliable
- satisfactory
- satisfying
- sure
- surefire
- true
- trustworthy
- undeceivable
- unfailing
- unimpeachable
- unquestionable
- useful
EXAMPLES FROM THE WEB FOR INFALLIBLE
Mrs. Turnbull's recipe, infallible for all aches, bruises, and strains.
She is not so infallible a markswoman, but that she might shoot at a crow and kill a pigeon.
Even the simplest of them—to do good to other people—is an instant and infallible specific.
How, you clever and infallible members of this present generation, do you judge her?
This freshness, however, is not to be taken for an infallible sign of 7.
Why, yes, he said: how can any reasonable being ever identify that which is infallible with that which errs?
The infallible index of true progress is found in the tone the man takes.
They think that vain old cataract of verbiage to be infallible.
I knew that such a plan was infallible, because it saved her dignity.
Infallible; if everything were not right I could not bear the smart.
MORE RELATED WORDS FOR INFALLIBLE
absolute
adjectivecertainaccurate
adjectivecorrect, without errorcertain
adjectiveundoubtable, valid- absolute
- ascertained
- authoritative
- clear
- conclusive
- confirmable
- definite
- demonstrable
- destined
- determined
- establishable
- evident
- firm
- fixed
- genuine
- guaranteed
- having down pat
- in the bag
- incontrovertible
- indubitable
- infallible
- irrefutable
- known
- on ice
- plain
- positive
- predestined
- provable
- real
- reliable
- safe
- salted away
- set
- sound
- supreme
- sure
- sure thing
- true
- trustworthy
- unambiguous
- undeniable
- undoubted
- unequivocal
- unerring
- unmistakable
- verifiable
impeccable
adjectiveabove suspicion; flawlessinarguable
adjectivecertain- absolute
- ascertained
- authoritative
- clear
- conclusive
- confirmable
- definite
- demonstrable
- destined
- determined
- establishable
- evident
- firm
- fixed
- genuine
- guaranteed
- hard
- having down pat
- in the bag
- incontestable
- incontrovertible
- indisputable
- indubitable
- infallible
- irrefutable
- known
- on ice
- plain
- positive
- predestined
- provable
- real
- reliable
- safe
- salted away
- set
- sound
- supreme
- sure
- sure thing
- true
- trustworthy
- unambiguous
- unassailable
- undeniable
- undisputable
- undoubted
- unequivocal
- unerring
- unmistakable
- unquestionable
- verifiable
incontestable
adjectivecertain- absolute
- ascertained
- authoritative
- clear
- conclusive
- confirmable
- definite
- demonstrable
- destined
- determined
- establishable
- evident
- firm
- fixed
- genuine
- guaranteed
- hard
- having down pat
- in the bag
- inarguable
- incontrovertible
- indisputable
- indubitable
- infallible
- irrefutable
- known
- on ice
- plain
- positive
- predestined
- provable
- real
- reliable
- safe
- salted away
- set
- sound
- supreme
- sure
- sure thing
- true
- trustworthy
- unambiguous
- unassailable
- undeniable
- undisputable
- undoubted
- unequivocal
- unerring
- unmistakable
- unquestionable
- verifiable