1. superlative form of maty; most friendly, sociable, or familiar in manner
Usage: informal; chiefly British
2. superlative form of maty; having the most matte or dull finish (lacking shine)
Usage: informal

Examples

• He was the matiest person in the office, always greeting everyone with a warm smile.
• Of all the paint finishes available, this one has the matiest appearance.
• She had the matiest relationship with her coworkers, often joining them for lunch.
• The matiest surface on the car was the hood, which had lost its shine over time.
• Among the group, he was considered the matiest, never missing a chance to chat.
• The matiest lipstick shade in the collection was perfect for a natural look.