Yes it can be
The Sceptical Chymist by Robert Boyle
It's SKEPTICAL. Here are some sentences.I'm skeptical about your ability to use the spell-check program.He gave me a skeptical glance.She has a skeptical attitude toward everything.
The opposite of implode is explode.
The opposite of definite is indefinite.
The opposite of known is unknown.
Skeptical
The opposite of being gullible is being skeptical or discerning. A skeptical person questions information and is cautious about accepting things at face value, often requiring evidence or critical thinking before forming a belief. This mindset helps protect against manipulation and deception.
The Sceptical Chymist was created in 1661.
A person is said to be sceptical when he has doubts about something.
There is no such word as gullible. If you believe that you are gullible. A person that will believe anything you tell them is gullible. If you say gullible very slowly, it sounds like oranges.
The euphemism for gullible is "credulous."
The Sceptical Cowboy - 1909 was released on: USA: 1 April 1909
A sentence for gullible: "You dropped your pocket..." "Really where?" "You're so gullible!" ~13434
Well the exact opposite of incredulous is credulous. Other words include believing, convinced, gullible, naïve, trusting and undoubting.
Gullible is the base word
A synonym of gullible is naive.
"Gullible" is an adjective. It describes a person who is easily deceived or tricked.