ALAS Meaning of ALAS in English ■ exclamation literary or humorous an expression of grief, pity, or concern.OriginME: from OFr. a las , a lasse , from a 'ah' + las(se) (from L. lassus 'weary'). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004