How to Say "drastically" in Spanish
The Spanish word for “drastically” is “radicalmente” — B1 level. This is a very common word in everyday Spanish.

Examples
Mi ciudad ha cambiado radicalmente en los últimos diez años.
My city has changed radically in the last ten years.
Tengo una opinión radicalmente distinta sobre ese tema.
I have a completely different opinion on that topic.
Debemos reducir los gastos radicalmente para salvar la empresa.
We must drastically reduce expenses to save the company.
The '-mente' Ending
This word is built by taking the feminine form of the adjective 'radical' and adding '-mente'. In Spanish, this is how we turn 'how' words into descriptions of actions, similar to adding '-ly' in English.
Where to Put It
You usually place this word right after the action (verb) it describes, like 'cambió radicalmente', or right before an adjective it modifies, like 'radicalmente diferente'.
It's Not Always Political
Mistake: “Thinking 'radicalmente' only refers to extreme political views.”
Correction: Use it anytime you mean 'completely' or 'from the root.' It describes the size of a change, not just a type of belief.
Related Translations
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