Toughly

adv. [f. TOUGH a. + -LY².] In a tough manner (in various senses of TOUGH); strenuously; persistently; stoutly; vigorously.

c. 1400.  Apol. Loll., 68. [Pei] þat he knawiþ to stond touȝly in þer synnis þat þei han don.

c. 1450.  trans. De Imitatione, III. viii. 74. Not to cleue ouer touȝly to þis affeccion.

1589.  Greene, Menaphon (Arb.), 83. They fell toughly to blowes.

1635.  Shirley, Coronat., I. Cassander,… oppos’d him toughly with his faction.

1728.  Ramsay, Fables, xi. 32. He … laid till ’t teughly tooth and nail.

1821.  Joanna Baillie, Metr. Leg., Lady G. B., liii. Strong and toughly nerved.

1863.  Burlington Daily Times, 18 April, 4/1. The problem is yet unsolved whether iron can be wrought so massively and so toughly that shot cannot injure it.

1883.  Stevenson, Silverado Sq., iii. (1886), 20. We struggled toughly upward.