As it burned it filled the air with a subtle and aromatic odor.

At the same time we became aware of a most subtle and noxious odour which poisoned the air all round the cottage.

The stain looked old, but the odor, though subtle, was fresh.

I moved forward and introduced the dogs, as each made a slight movement of acknowledgment along with, again, some very subtle odors.

"I've found that it masks subtler odors wonderfully well."

Because this whole thing is acquiring a subtle political odor.

John's nose tightened at the subtle odor of death.

Of the three components she had yielded, only Melancthe, fresh with the subtle odor of violets, remained at the palace.

Along with the music, subtle odors spread through the room: first Indian incense, then others, less distinct, and sometimes disagreeable.

So, was it some subtle political odor emanating from Metzov that had raised the hairs on the back of Miles's neck?