1 A minor weakness or eccentricity in someone’s character.
2 Fencing – The part of a sword blade from the middle to the point.
Compare with forte because we’ve used it before
Late 16th century (as an adjective in the sense ‘feeble’): from obsolete French, in Old French fieble (see feeble). Both noun senses also formerly occurred as senses of the word feeble and all date from the 17th century.
Ferdinand had a foible
In spite of being a boy bull.
He preferred the scent of flowers
With which he could spend hours.
He cared little for the heifers
The ones his buddies prefers.
And those puffed-up dandy matadores,
Why they’re just insufferable bores!