Dictionary of synonyms

Synonyms and antonyms of the word: world-first

Synonyms:

Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.

Antonyms:

Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.

Usage examples:

Finally, the NTH-100 headphones have a lifetime warranty (a world-first for professional headphones), while a 2-year warranty covers the NTH-Mic.

Source: https://www.forbes.com/sites/marksparrow/2023/01/31/rde-launches-its-first-broadcast-headset-based-on-award-winning-nth-100-headphones/

Recently, she signed up to a world-first exercise trial – run by the Heart Research Institute (HRI) – that hopes to improve the life expectancy of those born with congenital heart disease.

Source: https://thenewdaily.com.au/life/wellbeing/2023/02/13/study-congenital-heart-disease/