Wiktionary
unlaughing
a. Not laughing.
Usage examples of "unlaughing".
Mr Hastings had leapt across to the rocks without falling, and was coming at him from the other side with long loping strides, his dark brows a menacing bar across his face and his lips drawn back in a horrible unlaughing grin.
Srinivas closed his eyes and folded his arms, an unlaughing Buddha with the indisputable authority of one who had flown.