Questions & Answers about La idea no es falsa.
Why does no come before the verb instead of after it?
Why does the sentence use falsa instead of falso?
Adjectives in Spanish have to match the gender of the noun they describe. Because La idea is a feminine noun, the adjective must also be in its feminine form, which is falsa.
Why do we use es here instead of está for the word "is"?
Is idea pronounced exactly like it is in English?
No, even though it is spelled exactly the same, it follows Spanish pronunciation rules. You pronounce every single vowel clearly: ee-DEH-ah.