JAMB - English Language (2001 - No. 31)
Choose the option opposite in meaning to the underlined word(s).
In his naivety he believed all the stories his friend told him
artlessness
stupidity
friendliness
incredulity
הֶסבֵּר
"Incredulity" means scepticism or disbelief, which is the opposite of naivety or believing everything without question.