How to Say "severely" in Spanish
The Spanish word for “severely” is “seriamente” — B1 level.

Examples
El accidente lo dejó seriamente herido.
The accident left him severely injured.
La economía está seriamente afectada por la crisis.
The economy is badly (or severely) affected by the crisis.
Su propuesta seriamente compromete nuestros recursos.
His proposal seriously compromises our resources.
Intensity Adverb
In this context, 'seriamente' acts like an intensifier, similar to 'very' or 'greatly,' but usually reserved for negative or weighty situations (e.g., injuries, financial problems, concerns).
Overuse in positive contexts
Mistake: “Estoy seriamente feliz.”
Correction: Estoy muy feliz. ('Seriamente' sounds awkward or dramatic when paired with positive feelings; use 'muy' or 'muchísimo' instead.)
Related Translations
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.