I.to fill by degrees:—Pass., πώγωνος ἤδη ὑποπιμπλάμενος now beginning to have a thick beard, Plat.; ὑποπίμπλαμαι τοὺς ὀφθαλμοὺς δακρύων have my eyes filling with tears, Luc.
II.in Pass. of women, τέκνων ὑποπλησθῆναι to become mothers of many children, Hdt.