| fōmō |
a state of mental or emotional strain caused by the fear of missing out.
• Evolutionary biology - an omnipresent anxiety brought on by our cognitive ability to recognize potential opportunities: The brothers had last-slice fomo as they stared at what was left of pizza.
• (with subject) desire to do something, typically accompanied by unease.
• A form of social anxiety - a compulsive concern that one might miss an opportunity or satisfying event, often aroused by posts seen on social media websites.
ORIGIN: acronym from FEAR OF MISSING OUT
The college student had concert fomo.