Inarticulate

Tom is inarticulate.

She was in a panic and yelled something inarticulate.

He became inarticulate after just a couple of beers.

Then with an inarticulate roar of fury, the prisoner wrenched himself free from Holmes' grasp, and hurled himself through the window.

She was at a High School, at the inarticulate stage last time he was over, a round-eyed, pale-faced girl, with nothing of her mother in her, a silent stolid creature, who took it all as a matter of course, let her mother make a fuss of her, and then said "May I go now?"

Major Johnstone strove to speak, but the words died in an inarticulate gurgle low in his throat; and Evelyn had only time to start from his knee, and save the dying man from falling to the earth.

Pensak made an inarticulate shout of surprise, and O stepped away from the sudden precipice so hard that she collided with the back of the elevator, and yelped.