a. [f. CHIN sb. + -LESS.] Without a chin. b. Without the firmness of character held to be expressed by a prominent chin.

1

1828.  Blackw. Mag., XXIII. 598/2. He was, in fact, earless, eyeless, cheekless, noseless, and chinless.

2

1881.  Voice (N.Y.), 17 March, 5/4. A nation of chinless men—without opinions.

3