Dictionary Definition:
Vebhūtika (& ˚ya) (adj. -- nt.) [fr. vibhūti 1] causing disaster or ruin; nt. calumnious speech, bad language D iii.106 (˚ya); Sn 158 (˚ya); Vv 8440 (˚ka; expld as "sahitānaŋ vinābhāva -- karaṇato vebhūtikaŋ," i. e. pisuṇaŋ VvA 347).