diagnosticar
“diagnosticar” means “to diagnose” in Spanish (medical or professional identification of a condition).
to diagnose
Also: to identify, to assess
📝 In Action
El médico necesita más pruebas para diagnosticar la enfermedad.
A2The doctor needs more tests to diagnose the illness.
Es difícil diagnosticar el problema del coche sin abrir el motor.
B1It is difficult to identify the car's problem without opening the engine.
Los expertos diagnostican un cambio en el clima económico.
B2Experts identify a change in the economic climate.
Subjunctive
Imperfect Subjunctive
Present Subjunctive
Indicative
Preterite
Imperfect
Present
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✏️ Quick Practice
Quick Quiz: diagnosticar
Question 1 of 3
How do you say 'I diagnosed' in the past tense?
📚 More Resources
👥 Word Family▼
📚 Etymology▼
From Greek 'diagignōskein', which combines 'dia' (through/between) and 'gignōskein' (to learn or know). It essentially means to distinguish or know thoroughly.
First recorded: 19th century (in its modern medical sense)
Cognates (Related words)
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Frequently Asked Questions
Is 'diagnosticar' a regular verb?
Mostly, yes! It follows regular -ar patterns, except for a small spelling change (c to qu) in certain forms to keep the pronunciation consistent.
What is the difference between 'diagnosticar' and 'identificar'?
'Diagnosticar' is more specific; it implies a professional or systematic evaluation to find the root cause of a problem, while 'identificar' is more general.
How do I say 'He was diagnosed with cancer'?
You can say 'Fue diagnosticado de cáncer' or 'Le diagnosticaron cáncer'.