I slid back the panelled sides, got in with my light, pulled them together again, and felt secure against the vigilance of Heathcliff, and every one else.
This is not much connected with Miss Isabella’s affair: except that it urged me to resolve further on mounting vigilant guard, and doing my utmost to cheek the spread of such bad influence at the Grange: even though I should wake a domestic storm, by thwarting Mrs. Linton’s pleasure.
My master hesitated not a moment in complying with her request: reluctant as he was to leave home at ordinary calls, he flew to answer this; commanding Catherine to my peculiar vigilance, in his absence, with reiterated orders that she must not wander out of the park, even under my escort he did not calculate on her going unaccompanied.
There are no more uses of "vigilant" in the book.
Show samples from other sources
We need to remain vigilant when interacting with websites we don’t know.