"Serious menace" refers to a significant and dangerous threat or problem that needs to be taken seriously.
Full definition
Its success, therefore, again proved
a serious menace.
According to a recent report by the Center for Strategic & International Studies, sensitive U.S. military and civilian networks have been «deeply penetrated, multiple times, by other nation - states,» and hackers employed by terrorist and criminal organizations are a constant and
serious menace.
«Non-biodegradable plastic bags are
a serious menace to natural ecosystems and present a problem in terms of disposal,» says Professor Dusan Losic, ARC Future Fellow and Research Professor of Nanotechnology in the University's School of Chemical Engineering.
Cable (Josh Brolin, Avengers: Infinity War), a mutant from the future, has arrived in the present day to kill Rusty (Julian Dennison), a young boy who becomes
a serious menace in Cable's time.
The romantics are
a serious menace to global agriculture.
Every day more than 100 living species die out and this loss of biodiversity is
a serious menace for humanity itself.
They continued to be hostile often in individual cases, but were never afterwards
a serious menace.»