Learner's definition of INTUITION
1 [noncount] : a natural ability or power that makes it possible to know something without any proof or evidence: a feeling that guides a person to act a certain way without fully understanding why
Intuition was telling her that something was very wrong.
“How did you know I would drop by?” “Oh, I don't know. It must have been intuition.”
I trusted my intuition [=instincts] and ended the relationship.
2 [count] : something that is known or understood without proof or evidence