Dire (adjective)

1. Extremely serious or urgent.
2. Extremely bad or serious in outcome or implications.
3. Causing fear or alarm.

Origin:

Middle english (in the sense 'fierce, savage'): from old french dire, from latin dirus 'fierce, dangerous'.

Examples:

1. The situation in the country was dire and called for immediate action.
2. The consequences of climate change could be dire for future generations.
3. The doctor's prognosis was dire and the family was devastated.
4. The financial crisis was dire and many people lost their jobs.
5. The forecast was dire and warned of severe weather conditions.