sluggardPronunciation: /ˈslʌgəd/Definition of sluggard noun a lazy, sluggish person: I’m waiting for those sluggards to bring my steakDerivatives sluggardliness noun sluggardly adjective Origin: Middle English: from the rare verb slug 'be lazy or slow' + -ardsluggard in other Oxford dictionaries Definition of sluggard in the US English dictionary