Some of the class were merely interested in the creatures, the rest loathed them.
I'm merely interested in the granddaughter I never had.
If you were merely interested in their work, you'd read it in a book.
He thinks of himself as someone not merely interested in immediate satisfaction.
Now the big head raised itself again, but he was merely interested, watchful.
She had startled, too, at the sound of it, but now looked merely interested.
I wasn't merely interested in their opinions; I wanted facts.
He sounded merely interested, but in truth he was worried.
They are merely interested in preserving their power, and keeping the truth from the people.
He seemed neither disquieted nor impressed, but merely interested to know.