How to Say "weak" in Spanish
The most common Spanish word for “weak” is “débil” — use 'débil' when referring to a lack of physical strength or energy in a person or animal, or when describing something lacking intensity like a signal or flavor..
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débil
adjectiveA2/B1general
Use 'débil' when referring to a lack of physical strength or energy in a person or animal, or when describing something lacking intensity like a signal or flavor.
Examples
Después de la enfermedad, se sentía muy débil.
After the illness, he felt very weak.
frágil
adjectiveB1general
Choose 'frágil' when describing something easily broken or damaged, like a delicate object, a precarious situation, or someone's health that is delicate.
Examples
Su salud es frágil después de la operación y necesita reposo.
His health is frail after the operation and he needs rest.
débiles
adjectiveA2general
Use the plural form 'débiles' when referring to multiple people, animals, or things that lack strength or are structurally unsound.
Examples
Las paredes de esa casa son muy débiles y necesitan reparación.
The walls of that house are very weak and need repair.
Débil vs. Frágil
Learners often confuse 'débil' and 'frágil'. Remember that 'débil' usually refers to a lack of power or intensity (like a weak signal or person), while 'frágil' emphasizes susceptibility to breaking or damage (like fragile health or a delicate object).
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