neologisms

noun
UK /niˈɒlədʒɪzəmz/
US /niˈɑːlədʒɪzəmz/

New words that people make up and start using.

The teacher explained that words like 'selfie' started as neologisms.


OTHER MEANINGS

2. New meanings given to old words.

Some neologisms take an old word and give it a brand-new meaning.

3. New ideas or expressions in a field like science or art.

The scientist's neologisms helped describe things no one had named before.

4. The act of creating or using new words.

Her love of neologisms made her stories full of funny made-up words.