RichThesaurus
pencil-necked
vs
slender
pencil-necked
adj
Insubstantial; weak.
Having a very thin neck.
slender
adj
meagre; deficient
Palatalized.
Thin; slim.
How often have the words
pencil-necked
and
slender
occurred in a corpus of books?
(source:
Google Ngram Viewer
)