Lightest known substance Crossword Clue

Here is the answer for the crossword clue Lightest known substance . We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 8 letters. We think the likely answer to this clue is HYDROGEN.

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Crossword Answer For Lightest known substance:

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40 Potential Answers:

RankAnswerLengthSourceDate
98% HYDROGEN Lightest known substance (8)
3% BALEEN Plankton-filtering substance also known as whalebone (6) The Times Specialist Sep 22, 2025
3% SOLUTE Substance that is dissolved in another substance (6) The Times Specialist Sep 15, 2025
3% OIL Substance informally known as black gold (3) The Times Specialist Jul 28, 2025
2% TESTED Known to be effective (6) Wall Street Journal Oct 15, 2025
2% NEE Previously known as (3) New York Times Oct 12, 2025
2% ADAPTOGEN Substance in herbal medicine (9) LA Times Daily Oct 11, 2025
2% OLEO Fatty substance (4) The Telegraph Cross Atlantic Oct 9, 2025
2% ACID Corrosive substance (4) The Times Concise Oct 7, 2025
2% ANON Author not known (4) Puzzler Backwords Oct 3, 2025
Lightest known substance Crossword Clue
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We found 40 solutions for Lightest known substance. The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is HYDROGEN.

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