alas /əˈlæs/exclamation 1noun 1forms 2 exclamation1 •Used to express sorrow, regret, compassion, grief, resignation, or disappointment.I wanted to catch the last bus home, but alas, I was ten minutes late and had to take a taxi instead. noun1 •A type of geological depression formed by the subsidence of permafrost, sometimes (partially) filled by a lake.[…] alasses probably exist south of the Yukon Flats. Another bus tour went to the east, and alasses and pingos were examined on the terraces. — 1973 formsalases · alasses
