We don't have synonyms for roached yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are coached, poached and broached.
(adj) :
(US) Having a style of trimming a horse's mane so that the hair stands straight up from the neck, similar to the natural growth pattern of a zebra's mane, or a mohawk haircut on a human.
(adj) :
(by extension) Of hair: cut or styled in such a way that it stands straight up.
(adj) :
(US) Having a style of trimming a horse's mane so that the hair stands straight up from the neck, similar to the natural growth pattern of a zebra's mane, or a mohawk haircut on a human.
(adj) :
(by extension) Of hair: cut or styled in such a way that it stands straight up.