The situation has deteriorated significantly.

Meaning

The problem has become much worse.

Examples

• John: I'm afraid <b>the situation has deteriorated significantly</b> since our last meeting.
• Alice: I suspected as much. What steps can we take to address this?
• John: We need to act quickly; <b>the situation has deteriorated significantly</b>, and delay is no longer an option.
• Alice: Agreed. Let's brainstorm solutions immediately.