Definition

Being careful and paying attention to possible dangers or problems.

Example

The security guard remained vigilant throughout the night to ensure everyone's safety.

Comparatives & Superlatives

Conversation

I think we need to be more vigilant about security in our neighborhood.

I agree, it's better to be safe than sorry.

Have you noticed any suspicious activity lately?

No, but I’ll definitely keep my eyes open and stay vigilant.

Synonyms & Antonyms

Root Explanation

Vigilant → It is formed from "vigil" (from Latin "vigil", meaning awake or watchful) and the suffix "-ant" (meaning characterized by or performing). The word "vigilant" means characterized by being watchful or alert.

Memory Tip

Think of being 'awake' ('vigil') and 'characterized by' ('-ant') that state — that's why vigilant means being alert and watchful.

Visually Confused Words