1. stared with one’s mouth open wide, typically in amazement or shock
2. opened wide or split apart

Examples

• She gaped at the enormous diamond ring.
• The tourists gaped in wonder at the ancient cathedral.
• He gaped when he heard the shocking news.
• The wound gaped open and required stitches.
• The hole in the fence gaped wide enough for a person to crawl through.
• Children gaped at the colorful circus performers.
• The canyon gaped before them like a massive crack in the earth.