earthful /ɜːθfl̩/adjective 1noun 1forms 3 adjective1 •Pertaining to the earth, as opposed to heaven; earthly.From His holy home on High, We to give them earthful teachings, They to lead us to the sky ! — 1858 noun1 •As much as the earth can or does hold or sustain.It's not just an earthful of people, it's going to be an earthful of dull people with dull vistas. — 1980 formsearthfuls · more earthful · most earthful