caution

today's word;caution

1.
alertness and prudence in a hazardous situation; care; wariness: Landslides ahead—proceed with caution.
2.
a warning against danger or evil; anything serving as a warning: By way of caution, he told me the difficulties I would face.
3.
Informal. a person or thing that astonishes or causes mild apprehension: She's a caution. The way he challenges your remarks is a caution. –verb (used with object)
4.
to give warning to; advise or urge to take heed. –verb (used without object)
5.
to warn or advise: The newspapers caution against overoptimism.
6.
Careful forethought to avoid danger or harm.
7.
Close attention or vigilance to minimize risk: The car proceeded over the rickety bridge with caution.
8.
Prudence or restraint in action or decision: advised caution in choosing a school.
9.
A warning or admonishment, especially to take heed: I received a caution from the doctor about fat in my diet.
10.
A cautious action; a precaution: The climbers took the necessary cautions in preparing for the ascent.
11.
one that is striking or alarming.