laid upEnglishOxford American Thesauruslaid up adjective he was laid up for six weeks in the Middlesex Hospital: bedridden, ill in bed, confined to bed, on the sick list, out of action/commission, housebound, immobilized, incapacitated, injured, disabled; ill, sick, unwell, sickly, poorly, infirm, ailing, off color, afflicted, indisposed.