Ц15
ПЫШНЫМ ЦВЕТОМ расцвести, распуститься и т. п.
NP instrumInvaradvusu. used with
pfv verbs
fixed WO (to develop) extensively, in full measure (in contemp. usage, usu. used ironically of negative qualities and phenomena)
blossom
flourishthrivereach full flower(of negative phenomena only) run rampant.