adv. (UN-1 11.)

1

1769.  Pennant, Brit. Zool., III. 71. A spear … with which he afterwards committed parricide, unintentionally,… on his father Ulysses.

2

1849.  Macaulay, Hist. Eng., x. II. 574. Those who … had unintentionally done him a great service.

3

1874.  H. R. Reynolds, John Bapt., i. § 6. 55. He unintentionally revealed the forgery.

4