adjective🔗ShareBelonging to, or resembling, an abyss; unfathomable."The student's research into the deepest parts of the ocean revealed an abyssal darkness and unknown life forms. "oceangeographynatureChat with AIVocabulary GamePractice Reading
adjective🔗ShareOf or belonging to the ocean depths, especially below 2000 metres (6500 ft): abyssal zone."The exploration submarine descended into the abyssal plains, where sunlight never reaches. "oceangeographyenvironmentnaturebiologyChat with AIVocabulary GamePractice Reading
adjective🔗SharePertaining to or occurring at excessive depths in the earth's crust; plutonic."The geologist studied the abyssal rock formations brought up from deep within the Earth. "geologyenvironmentoceannatureChat with AIVocabulary GamePractice Reading