Wordle #155 hints & answer for November 21, 2021
· Sunday
This page always keeps Wordle #155 for November 21, 2021. Check that number against your game before opening a hint. The answer remains below a separate reveal.
Wordle changes at midnight in your local time zone. For the current local puzzle, use today’s hints. This dated page keeps the same puzzle when the day changes.
Our independent hints use the verified puzzle answer. Play the official game at The New York Times.
Hints for Wordle #155
What kind of word
Wiktionary lists it as a noun.
What it means
“The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.”
Source: Wiktionary contributors, available under CC BY-SA 4.0. Selected and lightly formatted from Wiktionary; long entries may be shortened.
The middle letter
The middle letter is D.
How it ends
Ends in O.
Where the vowels sit
The vowels are the second, fourth and fifth letters.
Reveal the answer and explanation
The answer to Wordle #155 was
RADIO: The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
Source: Wiktionary contributors, available under CC BY-SA 4.0. Selected and lightly formatted from Wiktionary; long entries may be shortened.
Why it may be easier: five different letters, at least two vowels and none of Q, Z, X, J, K, V or W.
The word rating describes familiarity and letter features. The solver score below measures how a fixed strategy handles the puzzle; an unusual word can still be easy for that strategy.
How difficult was it for the solver?
Solver pressure: 21/100 (easier for the solver). This is a percentile among past puzzles under the same strategy: 0 is easiest and 100 is hardest for the solver.
This compares past puzzles under the same solver settings; it does not measure how players performed. Compare more puzzles →
Wordle #155, measured
This section compares RADIO's solver-difficulty percentile, first-guess results for ten familiar openers, and opt-in player reports. Each number identifies its dataset.
Solver difficulty, as a percentile
This score is a percentile, not an opinion. Under the site's fixed solver settings, RADIO measured harder for the solver than about 21% of all 1,952 recorded answers to date. Its rating is easier for the solver. CRANE, SLATE and ADIEU leave about 74 possible answers.
Solver pressure ranks the answer within the pool; it does not measure player performance. The opener table compares first-guess results, and the contributed ratings report player results.
CRANE, SLATE and ADIEU benchmark
AUDIO left the fewest candidates: its first-guess feedback left 1 of the 2,384 words in the site's working answer pool. At the other end, SLATE left 141 candidates, about 141 times as many.
| Opener | First-guess feedback | Answers still possible |
|---|---|---|
| AUDIO | AUDIO | 1 |
| RAISE | RAISE | 6 |
| ADIEU | ADIEU | 13 |
| ARISE | ARISE | 17 |
| TARSE | TARSE | 27 |
| TRACE | TRACE | 62 |
| STARE | STARE | 65 |
| CRANE | CRANE | 68 |
| SALET | SALET | 85 |
| SLATE | SLATE | 141 |
“Answers still possible” counts the words in the site's 2,384-word working answer pool whose feedback would match that opener exactly. This is pattern arithmetic, not a simulation. A smaller number means the opener left fewer possible answers after the first guess. It does not describe later turns.
Contributed player ratings
Not enough contributed games to publish player figures for this puzzle. Per-puzzle numbers appear only after at least 10 opt-in games arrive. See how the Observatory collects and publishes player data →
See the solver's route to RADIO → It shows which guesses reduced the candidate pool on each turn.
Solver replay
One route our solver takes from its usual opening word to RADIO.
The solver reaches the answer in 3 guesses.
Common questions
- What was the Wordle answer for November 21, 2021?
- The Wordle answer for November 21, 2021 (puzzle #155) was RADIO.
- What does RADIO mean?
- RADIO: The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
- Why was Wordle #155 tricky?
- RADIO is rated easy for estimated word difficulty. Why it may be easier: five different letters, at least two vowels and none of Q, Z, X, J, K, V or W.