i Register
In some senses, unkindly is marked as archaic, obsolete. Watch for register when choosing this word.
adj
Not kindly.
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.
[…] she had seen a not unkindly wink pass between the two.
Not kindly.
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.
Unkindly cold and tempest shrill / In life’s morn oft the traveller chill,
Not kindly.
That detestable sight him much amazde, / To see th’vnkindly Impes of heauen accurst, / Deuoure their dam;
1678, Robert Sanderson, 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 […]
adv
In an unkind manner.
Good master, take it not unkindly, pray, / That I have been thus pleasant [i.e. joking] with you both.
[…] I had over-heard them ſeveral times talking very Unkindly about me; […]
In an unnatural manner.
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,