Ansiedad vs. inquietud vs. preocupación vs. angustia
When expressing nervousness or fear in Spanish, the choice of word depends heavily on the intensity, the cause, and the physical sensation of the feeling. While preocupación implies a mental focus on a problem, inquietud suggests physical restlessness. Ansiedad often refers to a medical condition or intense stress about the future, whereas angustia describes a profound, often chest-crushing emotional distress.
Ansiedad
B1This word usually refers to a state of inner turmoil or tension, often regarding future events or underlying psychological stress. Ansiedad is the most common term for the medical condition of anxiety, but it is also used for strong eagerness or nervousness mixed with fear.
Tengo mucha ansiedad por el examen de mañana.
(I have detailed anxiety about tomorrow's exam.)
El paciente sufre de ansiedad crónica y necesita terapia.
(The patient suffers from chronic anxiety and needs therapy.)
Su ansiedad aumentó cuando el avión empezó a moverse.
(His anxiety increased when the plane started moving.)
Inquietud
B2This term literally translates to a lack of quietness or stillness. Inquietud describes a physical sense of restlessness, unease, or being fidgety. It is less about fear and more about an inability to relax due to a nagging feeling that something is wrong or pending.
Había una extraña inquietud entre la multitud antes del discurso.
(There was a strange restlessness among the crowd before the speech.)
Miraba el reloj con creciente inquietud.
(He looked at the clock with growing uneasiness.)
Siento una inquietud en el estómago que no se me quita.
(I feel an unease in my stomach that won't go away.)
Preocupación
A2This word focuses on the mental act of worrying. Preocupación is cerebral rather than physical; it means your mind is occupied by a problem, a risk, or a specific person. It is the most common word for general concern.
Sus ojos mostraban preocupación por la salud de su padre.
(Her eyes showed worry for her father's health.)
Mi mayor preocupación es no tener suficiente dinero.
(My biggest concern is not having enough money.)
Deja la preocupación a un lado y disfruta del viaje.
(Put the worry aside and enjoy the trip.)
Angustia
B2This is the most intense of the four terms. Angustia refers to anguish or extreme distress. It often implies a physical sensation of tightness in the chest or throat (the word shares a root with narrow). It is associated with desperate situations, grief, or overwhelming dread.
La madre lloraba con angustia al no encontrar a su hijo.
(The mother cried with anguish upon not finding her son.)
Sentí una profunda angustia al recibir la mala noticia.
(I felt a deep distress upon receiving the bad news.)
Esos días de espera estuvieron llenos de angustia.
(Those days of waiting were full of anguish.)
Summary
To choose the right word, identify where the feeling comes from. Use preocupación for mental concerns about specific problems. Use inquietud for physical restlessness or a general sense of unease. Choose ansiedad for medical contexts or intense nervousness about the future. Finally, reserve angustia for moments of deep emotional suffering or overwhelming dread that feels physically constricting.