Definition of "manner"

The treacherous manner of his mournful death.

1591 (date written), William Shakespeare, “The First Part of Henry the Sixt”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene ii]

Edward Churchill still attended to his work in a hopeless mechanical manner like a sleep-walker who walks safely on a well-known round. But his Roman collar galled him, his cossack stifled him, his biretta was as uncomfortable as a merry-andrew's cap and bells.

1918, W[illiam] B[abington] Maxwell, chapter XV, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company

During the whole time of his abode in the university he generally spent thirteen hours of the day in study; by which assiduity besides an exact dispatch of the whole course of philosophy, he read over in a manner all classic authors that are extant […]

1661, John Fell, The Life of the most learned, reverend and pious Dr. H. Hammond‎

[S]he [Edwina, mother of Tennessee Williams] was indeed Amanda [Wingfield, character in Williams' play The Glass Menagerie] in the flesh: a doughty chatterbox from Ohio who adopted the manner of a Southern belle and eschewed both drink and sex to the greatest extent possible.

2014 November 14, Blake Bailey, “'Tennessee Williams,' by John Lahr ”, in The New York Times‎

Harriet was not insensible of manner; she had voluntarily noticed her father’s gentleness with admiration as well as wonder. Mr. Martin looked as if he did not know what manner was.

1815 December (indicated as 1816), [Jane Austen], chapter 4, in Emma: […], volume I, London: […] [Charles Roworth and James Moyes] for John Murray

But Sophia's mother was not the woman to brook defiance. After a few moments' vain remonstrance her husband complied. His manner and appearance were suggestive of a satiated sea-lion.

1922, Ben Travers, chapter 6, in A Cuckoo in the Nest