biological mother (noun) biological mother: birth mother
Sinonime: aggressive,
alarming,
apocalyptic, at hand,
baleful, baneful,
black, bullying, cautionary,
close, comminatory,
dangerous,
dire, fateful,
forthcoming,
grim, ill-boding,
imminent, impendent,
impending,
inauspicious, intimidatory,
looming, loury, lowering, lowery, minacious, minatory,
near, overhanging, portending,
portentous, scowling,
sinister, terrorizing,
ugly,
unlucky, unpropitious, unsafe,
upcoming, warning
Antonime: nice,
pleasant