Tough
feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')
Synonyms
Arduous, Awkward, Bad, baffling, dazzling, difficult, dogged, durable, elusive, Firm, Hard, hardened, hardy, Heavy, inflexible, knotty, laborious, painful, persevering, persistent, problematic, problematical, resistant, rigid, ruffianly, rugged, Severe, startling, stiff, strapping, st