Wiktionary
grublike
Resembling or characteristic of a gru
Usage examples of "grublike".
He saw small, sinister forms within the throat, grublike things that were rolling toward the mouth in an attempt to fall out and take over where the snake had failed.
It had covered another ten inches in its grublike progress toward Triad, who shrank against the cage wall in a shivering paralysis.
The great, night-freezing cry which haunted the southern latitudes was seldom heard here, though whole choruses of grublike peepers filled the dark hours with dulcet sound.