adj.
Pronunciation: ˌ in(t)-s ə b- ' stan(t)-sh ə l
Function: adjective
Etymology: probably from French insubstantiel, from Late Latin insubstantialis, from Latin in- + Late Latin substantialis substantial
Date: 1607
: not substantial: as a : lacking substance or material nature b : lacking firmness or solidity : FLIMSY
– in · sub · stan · ti · al · i · ty \ - ˌ stan(t)-sh ē - ' a-l ə -t ē \ noun