vigilant
vigi|lant /v'ɪdʒɪlənt/
[ADJ]
Someone who is vigilant gives careful attention to a particular problem or situation and concentrates on noticing any danger or trouble that there might be.
He warned the public to be vigilant and report anything suspicious...
= alert
● vigilance [N-UNCOUNT]
Drugs are a problem that requires constant vigilance.
[ADJ]
Someone who is vigilant gives careful attention to a particular problem or situation and concentrates on noticing any danger or trouble that there might be.
He warned the public to be vigilant and report anything suspicious...
= alert
● vigilance [N-UNCOUNT]
Drugs are a problem that requires constant vigilance.