In the LexZicon, FOMO is "Fear Of Missing Out", the anxious feeling of being left out of something others are experiencing. Pronounced /FOH-moh/, it sits under F in Famdom's dictionary of the words families use.

How is FOMO used in a sentence?

As a family might say it: "Everyone's at the party without me, serious FOMO." The LexZicon keeps one line like this for every term, so the word is read the way it lands at home and not only as a definition. Hearing it in a sentence is usually what tells a brand whether the word fits inside family life.

Why is FOMO in the LexZicon?

Because families use it. The LexZicon is Famdom's dictionary of family language: the words children, parents and grandparents actually say, decoded so a brand can follow what a household means. FOMO is one of the hundred terms of the 2026 wordlist, each with a definition and a sentence, and every entry links on to the next term and to the A to Z.

FOMO

Decoded

/FOH-moh/

The definition

"Fear Of Missing Out", the anxious feeling of being left out of something others are experiencing.

The entry

In a sentence: "Everyone's at the party without me, serious FOMO."
Not to be confused with: Fire Flex FYP
Origin: Decoded by Famdom from the words families used in 2026, for the LexZicon wordlist.

Browse the LexZicon A to Z · 103 terms

Letters in ink have entries. Each entry links onward through Not to be confused with, so the dictionary reads as one connected language.

Questions about this piece

What does FOMO mean?: In the LexZicon, FOMO is "Fear Of Missing Out", the anxious feeling of being left out of something others are experiencing. Pronounced /FOH-moh/, it sits under F in Famdom's dictionary of the words families use.
How is FOMO used in a sentence?: As a family might say it: "Everyone's at the party without me, serious FOMO." The LexZicon keeps one line like this for every term, so the word is read the way it lands at home and not only as a definition. Hearing it in a sentence is usually what tells a brand whether the word fits inside family life.
Why is FOMO in the LexZicon?: Because families use it. The LexZicon is Famdom's dictionary of family language: the words children, parents and grandparents actually say, decoded so a brand can follow what a household means. FOMO is one of the hundred terms of the 2026 wordlist, each with a definition and a sentence, and every entry links on to the next term and to the A to Z.