alertless

Synonym of unalert.

Once in a while some attorney is found who does not realize his social responsibility to the community, who rants and wails about furnishing legal aid to the poor, but he is of the negative, inactive, alertless kind.

Without an alert.

Before darkness fell, great dock fires were raging in the East End of London and this was followed by 247 planes bombing indiscriminately until near dawn. London was not to have another alertless night until 3 November.