Vigilant; Carefully Keeping an Eye on Something

This page is the CodyCross answer for the clue below from Cosmetology, Group 1763, Puzzle 5 (Hair Removal).

Question is: Vigilant; Carefully Keeping an Eye on Something

and the answer is: WATCHFUL

Word Meaning:

WATCHFUL — Fully observant, vigilant, or aware.

Definitions from Wiktionary.