This is the 1787th most frequent French word.
cru
"Raw" or "uncooked"; can also mean "believed" (past participle of "croire").
Here, 'cru' is used as the past participle of the verb 'croire', meaning 'to believe', indicating a completed action in the past.
Je n'ai jamais cru à ces histoires.
I have never believed in these stories.
In this sentence, 'crus' is the masculine plural form of the adjective 'cru', meaning 'raw', describing the state of the vegetables.
Il préfère toujours les légumes crus.
He always prefers raw vegetables.
Here, 'cru' functions as the past participle of 'croire', indicating that she had believed the person spoken to in the past tense.