adjective (of events) having extremely unfortunate or dire consequences; bringing ruin
Similarunfortunate
Source: WordNet 3.1, Princeton University
Other words for “disastrous”, grouped by meaning.
We found 5 synonyms for “disastrous”. The most common are black, calamitous, fatal, fateful, unfortunate.
adjective (of events) having extremely unfortunate or dire consequences; bringing ruin
Source: WordNet 3.1, Princeton University