0 always being careful to notice things, especially possible danger:
1 being very careful to notice things, esp. signs of danger:
Nevertheless, the press-then still vigilant about protecting personal freedom from medical statism-was alarmed.
Procuring ration cards may be difficult unless the department concerned has staff sufficiently vigilant, efficient, dedicated and sympathetic to issue cards on request.
On the lighter side, however, the allure of academic activism can also compromise and threaten our scholarly work if we are not vigilant.
Vigilant monitoring of the heart and central venous pressures help prevent cardiac and venous distension.
The potential duplicity of visual representation thus requires a vigilant set of empirical tests.
They were particularly vigilant about the management of the financial resources available to them.
They may also try to be very vigilant for threat.
As a consequence, the guard was doubled and clergy and justices were asked to be especially vigilant.
