niceliest

Adverb

nicely (comparative nicelier or more nicely, superlative niceliest or most nicely)

1. (obsolete) Fastidiously; carefully.
   • He lookt askew with his mistrustfull eyes, / And nicely trode, as thornes lay in his way, / Or that the flore to shrinke he did auyse [...].1590, Edmund Spenser, “Book III, Canto XII”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC
2. Precisely; with fine discernment or judgement.
   • All told, we had scarce two miles to run; but the navigation was delicate, the entrance to this northern anchorage was not only narrow and shoal, but lay east and west, so that the schooner must be nicely handled to be got in.1883, Robert Louis Stevenson, Treasure Island
3. Pleasantly; satisfactorily.
   • He was a sweet boy, but became the kind of man I can do nicely without.1986-1987, Lou Sullivan, personal diary, quoted in 2019, Ellis Martin, Zach Ozma (editors), We Both Laughed In Pleasure

See all 4 meanings of nicely