contentful UK /ˈkɒn.tɛnt.fəɫ/US /ˈkɑn.tɛnt.fəɫ/adjective 1/kənˈtɛnt.fəɫ/ adjective 1forms 2 adjective1 •Having content. contentful /kənˈtɛnt.fəɫ/ adjective1 •(no longer used) Full of contentment.How contentful the whole life is of him, that neither deviseth mischief against others, nor suspects any to be contrived against himself. — 1678 formsmore contentful · most contentful