Origin: Latin suffix -ible
Gullible has 4 different meanings across 1 category:
A gullible person; someone easily fooled or tricked.
naive and easily deceived or tricked
"at that early age she had been gullible and in love"
easily tricked because of being too trusting
"gullible tourists taken in by the shell game"
Easily deceived or duped; naive, easily cheated or fooled.