rough (adj.)
difficult to manage, not thoroughly trained
TNK II.iv.47[Pirithous to Arcite] I must needs entreat you / This afternoon to ride; but 'tis a rough one [i.e. a frisky horse]
TS I.i.55[Gremio to Baptista, of Katherina] She's too rough for me
SHAKESPEARE'S WORDS © 2020 DAVID CRYSTAL & BEN CRYSTAL