1. superlative form of gravelly; most resembling, containing, or covered with gravel
Usage: superlative degree
2. superlative form of gravelly; (of a voice or sound) most rough, harsh, or grating in quality
Usage: superlative degree; figurative use

Examples

• The gravelliest path in the garden runs along the eastern fence.
• His gravelliest voice deepened as he aged.
• Of all the beaches we visited, that one had the gravelliest sand.
• She spoke in her gravelliest tone, barely above a whisper.
• The gravelliest stretch of the driveway needed resurfacing.
• He had the gravelliest laugh I'd ever heard.