insubstantial Antonyms

substantial systemic real radical quantitative propaedeutic profuse profitable productive probatory primal realist realistic regional substantive strong stocky somatic solid significant seismic salient ruling prevalent pressing permeant panoramic palpable overstated overriding outspread omnipresent omnibus observable numeric pertinent physic preponderate preponderant predominant ponderous ponderable plenary planetary physiological physiologic physical numerative tactile able to be touched