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inexpungible
inextensible
inextinguishable
inextirpable
inextricable
INF
Inf.
inf.
infallible
infamous
infamy
infancy
infant
infant industry
infant industry argument
infant mortality rate
infant school
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infallible

in·fal·li·ble [ in fálləb'l ]


adjective 
Definition:
 
1. not erring: incapable of making a mistake

2. incapable of failing: certain not to fail

3. unerring in doctrine: incapable of being mistaken in matters of doctrine and dogma

[15th century. < medieval Latin infallibilis< Latin fallere "deceive, disappoint"]

in·fal·li·bil·i·ty [ in fàllə bíllətee ] noun
in·fal·li·ble·ness [ in fálləb'lnəss ] noun
in·fal·li·bly adverb
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