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vigilance

vig·i·lance

vigilance

pronunciation:
vI j lns
part of speech: noun
definition: a condition or quality of being alert and attentive; watchfulness.
Constant vigilance is the duty of the sentry.The nurse monitored the patient with vigilance.
synonyms:
attentiveness, caution, watchfulness
similar words:
alertness, care, concern, heed, wariness