1. affected by exposure to the sun, especially suffering from sunstroke or heat exhaustion
2. dazzled or blinded by bright sunlight

Examples

• The hikers became sunstruck after walking for hours without shade.
• She felt dizzy and sunstruck from working in the garden all afternoon.
• The sunstruck tourists sought refuge in the air-conditioned museum.
• He was temporarily sunstruck when he stepped out of the dark cave.
• The sunstruck driver pulled over to rest his eyes.
• After being sunstruck at the beach, she learned to wear a hat.
• The construction workers took frequent breaks to avoid becoming sunstruck.