be careless (verb) endanger: put in jeopardy
Sinonime: abrupt,
bluff,
brief,
brusque,
candid, crusty,
curt, discourteous,
explicit,
forthright,
frank, gruff, impolite, matter-of-fact,
outspoken, plain-spoken,
rude,
short, snappy, snippy, tactless,
trenchant, unceremonious, uncivil, unpolished
Antonime: polite,
subtle,
tactful