chinless

adj

Etymology: From chin + -less.

1. Without a (pronounced) chin.

   “1949, George Orwell, Nineteen Eighty-Four, Part Three, Chapter 1, http://www.gutenberg.net.au/ebooks01/0100021h.html Opposite Winston there sat a man with a chinless, toothy face exactly like that of some large, harmless rodent.”

   “'Flook' by Trog': note the classic representation of the chinless wonder and the chinful wonderess.”

2. Having a weak or indecisive character; ineffectual or dim-witted.