Catastrophic; really, really bad.
That is the female form of "disastrous". (In French, everything has gender.)
It means you have chosen a course of action that will have an unpleasant or disastrous outcome.
The opposite of disastrous is helpful.
disastrous as an earthquake/tornado...
The prefix for "disastrous" is "dis-".
Julie's new hair perm was disastrous. The earthquake had disastrous results.
Disastrous means causing great distress or injury. Some synonyms for disastrous include calamitous, ruinous, and catastrophic. "Spilling wine all over my computer lead to disastrous results."Disastrous means that it works out horribly, it goes all wrong. Here are some sentences.That plan was disastrous!The disastrous storm barreled over the island.His disastrous plan backfired on him.
Disastrous means causing great distress or injury. Some synonyms for disastrous include calamitous, ruinous, and catastrophic. "Spilling wine all over my computer lead to disastrous results."Disastrous means that it works out horribly, it goes all wrong. Here are some sentences.That plan was disastrous!The disastrous storm barreled over the island.His disastrous plan backfired on him.
The noun form for the adjective disastrous is disastrousness.The word 'disastrous' is the adjective form of the noun disaster.
WHAT ARE THE DISASTROUS EFFECT OF FOREST DENUDATION?
John Franklin led a disastrous expediton in the North.
My first attempt at baking an angel food cake was disastrous.