Meanings of nearly unrecognizable in English

We had been gone for a month, and my sons were nearly unrecognizable.

A moment later Katy came on, her voice nearly unrecognizable.

They were enslaved by vines, nearly unrecognizable amid the trees.

It was the bedraggled, nearly unrecognizable imp chained to the wall, however, that was the real showstopper.

His holographic representation was nearly unrecognizable.

But David, too, was nearly unrecognizable.

And Jeff, his own face a nearly unrecognizable mask of mindless fury, seemed oblivious of what he was doing.

They were kept in a tin box in DT's pack and were nearly unrecognizable; they looked like withered brown orchids.

Yet both bear to-day the stamp of the Middle Ages, and the Roman streets which they use are small and nearly unrecognizable fragments.

I have left issues of standard language uncorrected, and have only fixed typographical errors in which the word was nearly unrecognizable, but clear from context.

They've become nearly unrecognizable. He brought the controls to life with a few sweeps of his fingers, and the screens lit up all around him.

"Then again, I guess you've learned from the master." He looked different today, nearly unrecognizable.

"Yes?" she said in a flat, nearly unrecognizable voice.