As an adjective bonier is
(bony).
wikidiffcom
Not English
Wikidiffcom has no English definition. It may be misspelled. bonier
English
Adjective
(head)
(bony)
Alternative forms
* boneyer
bony
English
Alternative forms
* boney
Adjective
(er)
resembling, having the appearance or consistence of, or relating to bone; osseous.
full of bones
with little flesh; skinny, thin
having prominent bones