This time around he was no mere observer.

She is content for the time being to be a mere observer rather than a participant.

Does it make the world better or do we become mere observers to the great human tragicomedy?

By the time the first chorus arrived, the narrator was no longer a mere observer.

In the end, it became clear that all scientists were participants in a participatory universe which did not allow anyone to be a mere observer.

Niall was becoming tired of being a mere observer; he wanted to see if he could influence the animal.

The leaders of these nations found themselves sidelined as mere observers during the war.

I trust that we may meet again-it has had its pleasant side to be here as more than a mere observer for once.

She had said it before, Ellen thought, that for someone who claimed to be a mere observer, he had a hard time grasping the concept.

The reader sees Little Chandler as a mere observer of life, a reluctant character.