1. resembling or containing grout; having the consistency or appearance of grout
Usage: technical; construction/masonry context
2. inclined to grouse or complain; grumpy or irritable
Usage: informal; chiefly British

Examples

• The grouty mixture was applied between the tiles to seal the gaps.
• After a long day at work, he was feeling grouty and didn't want to talk to anyone.
• The mason spread the grouty paste evenly across the brick joints.
• She woke up in a grouty mood and snapped at everyone in the office.
• The grouty consistency of the cement made it easy to work with.
• He's been grouty ever since he heard the bad news.