To warn; to alert, advise that caution is warranted.
To give a yellow card
A formal warning given as an alternative to prosecution in minor cases.
Security; guaranty; bail.
A yellow card.
Prudence when faced with, or when expecting to face, danger; care taken in order to avoid risk or harm.
A careful attention to the probable effects of an act, in order that failure or harm may be avoided.
The quality of state of being rash; inconsiderate or presumptuous haste