Something happened in the room, some indefinable change in the an: that registered against Peter's senses.

There was an indefinable change of atmosphere in the room.

This time the count's eyebrows betrayed no surprise, but nevertheless a subtle, indefinable change ran across his face.

Watching Coombes giving his order at the bar, Farge sensed that there was an indefinable change in the chap.

There was an indefinable change over everything that meant autumn.

The Commodore's look of contained pleasure, his certainty, the indefinable change that had come over him, had spread a feeling of total confidence throughout the ship.

That indefinable change in the heavy-worlders' attitude towards her acted as a crucial check.

It seemed an age before that indefinable change of vibration occurred again.

There was an indefinable change to it, almost as if it were shadowed with pain.

Since the explosion an indefinable change has come over these workmen.