adjective.
of the nature of a disaster; calamitous.
adjective.foreboding disaster; ill-omened.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
(of events) having extremely unfortunate or dire consequences; bringing ruin
Word Usage
"While any outcome that puts Salmond and his chums into outright control of the parliament is deplored by many Scots, the word "disastrous" to describe Labour's performance is as unfair as it is inaccurate."