What's the plural form of feebleness? Here's the word you're looking for.
Answer
The noun feebleness can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be feebleness.
However, in more specific contexts, the plural form can also be feeblenesses e.g. in reference to various types of feeblenesses
or a collection of feeblenesses.
The feebleness of the masher's brain is only exceeded by the foulness of the masher's tongue.
His answer spilled timid and trembling from his frightened lips, a trickle of stuttering feebleness.
In India the factiousness and feebleness of native princes combined with the rapacity of the French and English East India Companies to create a volatile situation.
He emerges as a devastating cross-examiner, ruthlessly unmasking for history the feebleness of the whole enterprise.
The mawkishness of the sentiment was only surpassed by the feebleness of the style.
A policy on climate change attacked for its feebleness might, ultimately, prove more of a burden for Mr Bush than not having one at all.