The rare daily word game sweeping the globe. Find what's hidden in plain sight.
RADIOPAQUE
Definition of RADIOPAQUE
adjective
Impenetrable to X-rays and other radiation.
Wiktionary · CC BY-SA
Where it comes from
From radi- (staff) + opaque. First attested in 1917.
Etymology via Wiktionary (CC BY-SA).
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
RADIOPAQUE in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 40, 29 June 2026. Nobody has seen it on a board for 62 days.
First ever to find it
on Day 40, 29 June 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
RADIOPAQUE starts with R and ends with E. Sorted, its letters read AADEIOPQRU - the shape to hunt for when the grid is scrambled. A appears more than once. It uses Q - among the least common letters in written English.
Words that start RADIOP
Its neighbours in the OUTLIER dictionary - shortest first.
Also seen on Day 40
Could you have found RADIOPAQUE?
OUTLIER is a daily word game. One grid, the same grid for everybody, and the words nobody else spots are the ones that pay. This word was on Day 40 - and most players walked straight past it.
Play today's OUTLIER