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

Examples
El café está excesivamente caliente.
The coffee is excessively hot.
No te preocupes excesivamente por los resultados.
Don't worry excessively about the results.
Su propuesta me parece excesivamente ambiciosa para nuestro presupuesto.
Your proposal seems overly ambitious for our budget to me.
The '-mente' Ending
This word is formed by adding '-mente' to the adjective 'excesiva.' Think of '-mente' as the Spanish version of the English '-ly' ending.
The 'No-Change' Rule
Since this word describes 'how' or 'how much' (rather than describing a person or thing directly), it always stays the same. You never have to worry about making it plural or feminine.
Don't change the ending
Mistake: “La comida estaba excesivamentea salada.”
Correction: La comida estaba excesivamente salada. Words ending in -mente never change their ending to match the food or object.
Related Translations
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