south-westTranslate south-west | into German | into Italian Definition of south-west noun 1 (usually the south-west) the direction towards the point of the horizon midway between south and west:clouds uncoiled from the south-west the compass point corresponding to south-west. 2the south-western part of a country, region, or town: the beach is in the south-west of the island adjective [attributive] 1lying towards, near, or facing the south-west:the south-west tower collapsed in a storm (of a wind) blowing from the south-west. 2of or denoting the south-western part of a specified country, region, or town or its inhabitants:south-west London adverb to or towards the south-west:they drove directly south-westDerivatives south-western adjective south-west in other Oxford dictionaries Definition of south-west in the US English dictionary