Definition of sea-kindliness in US English:

sea-kindliness

noun

  • See sea-kindly

    • ‘We necessarily conclude from this that widening the water plane (increasing beam) will reduce comfort and degrade seakindliness.’
    • ‘The ability to ride the tops of a wave will improve the sea kindliness of a boat but at certain steepness all bets are off.’
    • ‘The hull shapes have been developed for performance, safety and sea kindliness.’