ppl. a. (UN-1 8.)

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[1775.  Ash.]

2

1826.  W. A. Miles, D. Barrow, 5. [These evidences, etc.] give a free untethered flight to the imagination.

3

1907.  Daily Chron., 6 June, 5/5. Old untethered horses and donkeys … browsing on the slopes.

4