Similar words
gefrustet
gefrustet is more colloquial or modern slang; frustriert is the standard word — both mean "frustrated."
Similar in other languages
French
déçu
Close — frustrated and disappointed overlap.
Practice
1 What does frustriert mean?
frustrated
2 Fill the gap: Er war ___ über das Ergebnis.
Full sentence: Er war frustriert über das Ergebnis. (He was frustrated about the result.)
3 Which fingerprint chart matches frustriert?
frustriert: neutral register, common frequency, general domain, neutral connotation.