adjective
wrong, incorrect
A1
Falsch means wrong or incorrect, and can also mean false. It's a gradable adjective: comparative falscher, superlative am falschesten. Used predicatively and attributively like 'Das ist falsch.' Antonyms include richtig, echt, wahr. Not a participle; regular adjective formation in German.
Examples
Das ist die falsche Antwort.
That is the wrong answer.
Deine Uhr geht falsch.
Your clock is incorrect.
Die Annahme erwies sich als falsch, weil die Daten später korrigiert wurden.
The assumption proved to be wrong because the data were corrected later.
Details
Mnemonics
imagine a big red X marking something as wrong
sounds like 'false' — meaning not correct
Notes
Used both for factual errors and for something that is not functioning as it should.