batlike

Having characteristics similar to those of a bat, usually used with reference to the flying mammal.

[…] they cling, like creepers or women, to the nearest support, to fly from that corroding ennui and listlessness, those tumults of the mind, which flit batlike amid the golden-groined ceilings, and cannot be dispelled by the lictor guard.

He had told himself bitterly as he walked through the streets that she was a figure of the womanhood of her country, a batlike soul waking to the consciousness of itself in darkness and secrecy and loneliness.

Similar to that of a bat.

His sketches show the details of batlike wings which were to spread out on the downward stroke and fold up with the upward stroke.

What was it? They could not tell themselves. They only knew that the black shadows at the top of the staircase had thickened, had coalesced, had taken a definite, batlike shape.