1. hiding or waiting in a concealed place, especially with harmful intent
Usage: present participle of ‘lurk’
2. remaining hidden or present but not obvious
Usage: present participle of ‘lurk’
3. reading online discussions without participating
Usage: internet slang; present participle of ‘lurk’

1. hidden and threatening; menacing

Examples

• Someone was lurking in the shadows behind the building.
• I noticed a stranger lurking around the playground.
• A lurking danger threatened the expedition.
• She spent hours lurking on the forum before making her first post.
• There’s always a lurking fear that something might go wrong.
• The lurking presence made everyone uncomfortable.
• He’s been lurking on social media without commenting.