RichThesaurus
impuissant
vs
pencil-necked
impuissant
adj
weak; impotent; feeble
pencil-necked
adj
Insubstantial; weak.
Having a very thin neck.
How often have the words
impuissant
and
pencil-necked
occurred in a corpus of books?
(source:
Google Ngram Viewer
)