| Derail (v. t.) To cause to run off from the rails of a railroad, as a locomotive. Thesaurus Entries admonish, advise, caution, counsel, cry out against, daunt, derail, deter, discourage, divert, exhort, expostulate, frighten off, intimidate, kid out of, prick, remonstrate, talk out of, throw off, unpersuade, urge, warn |