• IPA: /ʌnˈkaɪndli/

From Middle English unkyndely; equivalent to un- + kindly#Adjective.

unkindly

1. Not kindly.
   1. Not kind, lacking in friendliness, warm-heartedness or sympathy.
      • 1850, Nathaniel Hawthorne, chapter 2, in The Scarlet Letter, a Romance, Boston, Mass.: Ticknor, Reed, and Fields, →OCLC ↗:

        Preceded by the beadle, and attended by an irregular procession of stern-browed men and unkindly visaged women, Hester Prynne set forth towards the place appointed for her punishment.

      • 1906, E. Nesbit, chapter 4, in The Railway Children‎:

        […] she had seen a not unkindly wink pass between the two.

   2. (archaic) Rough, unfavourable, bad.
      • 1658, Thomas Browne, “The Garden of Cyrus. […]. Chapter III.”, in Hydriotaphia, Urne-buriall, […] Together with The Garden of Cyrus, […], London: […] Hen[ry] Brome […], →OCLC ↗, page 130 ↗:

        From this superfluous pulp in unkindely, and wet years, may arise that multiplicity of little insects, which infest the Roots and Sprouts of tender Graines and pulses.

   3. (obsolete) Unnatural, contrary to the natural or proper order of things.
      • 1590, Edmund Spenser, “Book I”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC ↗, page 10 ↗:

        That detestable sight him much amazde, / To see th’vnkindly Impes of heauen accurst, / Deuoure their dam;

      • 1678, Robert Sanderson (theologian), Nine Cases of Conscience Occasionally Determined, London: H. Brome et al., p. 128,

        […] the want of mercy in a Father, is more unkindly, more unseemly, more unnatural than in another man […]

From Middle English unkyndely; equivalent to un- + kindly or unkind + -ly.

unkindly

1. In an unkind manner.
   • c. 1590–1592 (date written), William Shakespeare, “The Taming of the Shrew”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC ↗, [Act III, scene i]:

     Good master, take it not unkindly, pray, / That I have been thus pleasant [i.e. joking] with you both.

   • 1722 (indicated as 1721), [Daniel Defoe], The Fortunes and Misfortunes of the Famous Moll Flanders, &c. […], London: […] W[illiam Rufus] Chetwood, […]; and T. Edling, […], published 1722, →OCLC ↗, page 34 ↗:

     […] I had over-heard them ſeveral times talking very Unkindly about me; […]

   • 1868–1869, Louisa M[ay] Alcott, Little Women: […], (please specify |part=1 or 2), Boston, Mass.: Roberts Brothers, →OCLC ↗:

     If she and John love one another, they can wait, and test the love by doing so. She is conscientious, and I have no fear of her treating him unkindly.

2. (obsolete) In an unnatural manner.
   • 1667, John Milton, “Book III”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC ↗; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC ↗, lines 455-458:

     All th’ unaccomplisht works of Natures hand, / Abortive, monstrous, or unkindly mixt, / Dissolvd on earth, fleet hither, and in vain, / Till final dissolution, wander here,

• kindly