To fail to fulfill a person's expectations, hopes, or trust, causing them to feel disillusioned or sad.
example
Ich hatte mich so auf den Film gefreut, aber die Handlung hat mich sehr enttäuscht.
I had been looking forward to the film so much, but the plot really disappointed me.
Usage tips
Word structure
The word consists of the prefix 'ent-' and the verb 'täuschen' (to deceive). 'Täuschen' means to create a false impression. 'Enttäuschen' (to disappoint) literally means to free someone from a deception or illusion, which leads to disillusionment.
EXAMPLE
Die Realität hat seine romantischen Vorstellungen enttäuscht.
Reality disappointed his romantic ideas.
Inseparable verb
'Enttäuschen' (to disappoint) is an inseparable verb. The prefix 'ent-' remains firmly attached to the verb stem in all sentence forms and tenses.
EXAMPLE
Er hat seine Eltern nie enttäuscht.
He has never disappointed his parents.
Typical constructions
The participle form is very often used as an adjective with 'sein' (to be): 'enttäuscht sein' (to be disappointed). The source of the disappointment is expressed with 'von' (+ dative), the reason with 'über' (+ accusative).
EXAMPLE
Ich bin von meinem Freund enttäuscht.
I am disappointed in my friend.
Compare with
antonym
enttäuschen vs begeistern
to inspire / enthuse
'begeistern' and 'enttäuschen' describe opposite effects on feelings. Something 'begeistert' a person when it creates great joy, interest, or admiration. Something 'enttäuscht' a person when it does not meet their expectations and they feel sad or dissatisfied afterward. Both words work well with films, plans, performances, or people. The difference is simple: 'begeistern' is a very positive reaction, while 'enttäuschen' is a negative reaction after a hope or expectation.
enttäuschen
Das abgesagte Familienfest enttäuscht die Großeltern sehr.
The canceled family celebration disappoints the grandparents very much.
begeistern
Der neue Film begeistert die Kinder schon nach den ersten Minuten.
The new film inspires the children after just the first few minutes.