An extreme or severe situation or action is drastic.
When people talk about something being drastic, they usually mean it's very serious or extreme. For example, someone might say "The new policy is a drastic change from what we're used to." Here, drastic means the change is huge and will have a big impact on how things work.
Having a strong or far-reaching effect; extreme, severe.
Example: If our third attempt fails, we may need drastic ideas.
