Only my training kept me from sinking into a chair and waiting for the end.
He half turned to ask another question, but an old man was sinking into his chair.
We both said no, and she sank back down into her chair.
He moved back a step, then sank into a chair, waiting.
He sunk into a chair, and moved but once all that night.
Tom started up, then thought better of it and sank back into his chair.
She sank into a chair and put a hand to her throat.
So she set it aside and sank into a chair.
Her knees gave way, and she sank into a chair.
Emily sank into a chair as she began to read.