How to Say "to underestimate" in Spanish
The Spanish word for “to underestimate” is “menospreciar” — B2 level.

Examples
No debes menospreciar el trabajo de los demás.
You shouldn't undervalue the work of others.
Menospreciaron la fuerza del equipo rival y perdieron el partido.
They underestimated the strength of the rival team and lost the game.
Ella se siente menospreciada por su jefe.
She feels looked down on by her boss.
Using the 'Personal A'
When you are talking about looking down on a specific person, you must put 'a' before their name or the word for the person. For example: 'No menosprecies a Juan' (Don't look down on Juan).
A Compound Word
This word is made of 'menos' (less) and 'preciar' (to value). Think of it as literally 'valuing someone or something less than they deserve.'
Confusing with 'despreciar'
Mistake: “Using 'menospreciar' when you mean deep hatred.”
Correction: 'Menospreciar' means to undervalue or not give enough credit. Use 'despreciar' if you want to express strong contempt or hatred.
Related Translations
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