Another word for unrecognizable

She pointed to the two young men, almost unrecognizable in their ponderous gear of boots, rubber coat, and visored helmet.

- Diagrams of various Earth of several Geoscolicidae, the nephridiopores indicate the segments; to each segment corresponds internally a chamber of the coelom which is separated from adjacent segments by transverse septa,which are only unrecognizable in the genus Aeolosoma and in the head region of other Oligochaeta.

Enveloped in a huge blue sheet, with a yard of linen as a veil perforated for two inches square with minute holes, the feet thrust into two huge bags of colored stuff, a wife is perfectly unrecognizable, even by her husband, when out of doors.

The trail left by the falling vehicle reappeared, a tear in the earth, and a piece of unrecognizable metal.

Then, in the glow of yet another rocket, he saw it—a nearly unrecognizable mass of twisted red metal.