adj.

knotty; gnarled; rugged; rough; crooked; clumsy; patchy (КГА); clunky (Tamerlane); barky; scrawly (почерк suburbian); wrinkled (Игорь Глазырин); rougher

Игорь Миг

ungrammatical (в значении "безграмотный" // in St. Petersburg the holiday is being celebrated with posters: Мы едины для мира – a strange, almost ungrammatical statement that is most likely a translation from the English: We're united for peace. – MBerdy (2016))

biol.

stunted

bot.

bent; knobby; knotted

forestr.

crippled; distorted; crooked-grown; curved; tortuous

Gruzovik, fig.

uncouth; crabbed of handwriting; cramped (of handwriting)

Gruzovik, inf.

uneven; pock-marked

inf.

ham-fisted (SirReal); bumbling (george serebryakov)