Example: "Had a dizzy spell"
Example: "A dizzy blonde"
Dizzy, feeling dizzy or unsteady and as if about to fall down.
Example: "The man became giddy upon standing up so fast."
Causing dizziness: causing dizziness or a feeling of unsteadiness.
Example: "They climbed to a giddy height."
Lightheartedly silly, or joyfully elated.
Example: "The boy was giddy when he opened his birthday presents."
Frivolous, impulsive, inconsistent, changeable.