How to Say "fathom" in Spanish
The Spanish word for “fathom” is “comprender” — A1 level. This is a very common word in everyday Spanish.

Examples
No comprendo la pregunta del profesor.
I don't understand the professor's question.
¿Comprendes lo que te estoy diciendo?
Do you understand what I am telling you?
Comprendieron la complejidad del problema después de leer el informe.
They grasped the complexity of the problem after reading the report.
Using 'Comprender' vs. 'Entender'
'Comprender' often suggests a deeper, more complete grasp of a complex topic, while 'entender' is used for general comprehension or hearing what someone says. In daily conversation, they are often interchangeable.
Confusing 'Comprender' and 'Saber'
Mistake: “Using 'Sé la lección' when you mean 'I understand the lesson.'”
Correction: Use 'Comprendo la lección.' 'Saber' means 'to know facts' or 'to know how to do something,' not 'to understand a concept.'
Related Translations
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