gullible
GUL-uh-buladjMeaning easily fooled or tricked
Memory hook GULL-ible: a GULL swallows anything. Rex sells Pip a cone of “invisible ice cream” for two dollars, and Pip happily pays: he is gullible.
The gullible tourist paid twenty dollars for a “solid gold” ring made of brass.
In context Pip was so gullible that when his cousin told him the school had canceled Mondays, he stayed home and waited for Tuesday.
Similar naive, credulous, trusting, easily fooled
Opposite skeptical, suspicious, shrewd
From gull, an old word meaning to trick, or a person who is easily tricked.