Posted by Bookworm on June 16, 2004
In Reply to: Inflammable as tenor singers posted by Judy on June 16, 2004
: This phrase is from In a German Pension by by Katherine Mansfield.
: Is it a known phrase?
: What is the origin of it.
: Thank you
Perhaps you misheard it and the word was infallible.
From M-W Online:
Main Entry: in·fal·li·ble
Etymology: Middle English, from Medieval Latin infallibilis, from Latin in- + Late Latin fallibilis fallible
1 : incapable of error : UNERRING
2 : not liable to mislead, deceive, or disappoint : CERTAIN
3 : incapable of error in defining doctrines touching faith or morals
- in·fal·li·bil·i·ty /-"fa-l&-'bi-l&-tE/ noun
- in·fal·li·bly /-'fa-l&-blE/ adverb