The rare daily word game sweeping the globe. Find what's hidden in plain sight.
SILL
Definition of SILL
noun
A breast wall; window breast; horizontal brink which forms the base of a window.
Wiktionary · CC BY-SA
Where it comes from
From Middle English sille, selle, sülle, from Old English syll, syl (“sill, threshold, foundation, base, basis”), from Proto-Germanic *sulī (“bar, sill”), from Proto-Indo-European *sel-, *swel- (“beam, board, frame, threshold”). Cognate with Scots sil, sill (“balk, beam, floor, sill”), Dutch zulle (“sill”), Low German Sull, Sülle (“threshold, ramp, sill”), German Süll, Sülle (“threshold, sill”), Danish syld (“base of a framework building”), Swedish syll (“joist, cross-tie”), Norwegian syll, Icelandic syll, sylla (“sill”). Related also to German Schwelle (> Danish svelle), Old Norse svill, Latin silva (“wood, forest”), Ancient Greek ὕλη (húlē).
Etymology via Wiktionary (CC BY-SA).
Word DNA
Line of descent
4 recorded generations before English.
Deepest traced root
3rd
of 59 source languages in OUTLIER
9.1%
of traced words share this origin (2,408)
How it is built
Its etymology also names Ancient Greek, Danish, Dutch, Icelandic, Latin, Norwegian, Old Norse, Scots and 1 more.
Every Proto-Indo-European word → · The Word DNA of OUTLIER →
OUTLIER scores every word on how unusual it is, and that number is not published. Working it out at the board is the game.
SILL in OUTLIER
Players have found it on 1 board so far.
It first turned up on Day 131, 28 September 2026. Nobody has seen it on a board for 1 day.
First ever to find it
on Day 131, 28 September 2026 - before anyone else in Outlier's history. See the Pioneers
Built from these letters
SILL starts with S and ends with L. Sorted, its letters read ILLS - the shape to hunt for when the grid is scrambled. L appears more than once, including a double letter.
Same letters, different word
One other word uses exactly these letters. Worth knowing at the board: an anagram fits a grid the same way.
Words that start SILL
Its neighbours in the OUTLIER dictionary - shortest first.
Could you have found SILL?
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 131 - and most players walked straight past it.
Play today's OUTLIER