Power source for a warp drive in "Star Trek"

The answer to “Power source for a warp drive in "Star Trek"” in the The Washington Post crossword is ANTIMATTER — a 10-letter word. It most recently appeared in the The Washington Post crossword on August 30, 2026, a Sunday puzzle, at 76-Down. Below you'll find why that fill fits, every other answer we've recorded for this clue, and links into the puzzle it came from.

“Power source for a warp drive in "Star Trek"” answer

ANTIMATTER (10 letters)

Reveal the solution one letter at a time with the tiles above if you'd rather nudge yourself toward it than see the whole word at once. Just want it outright? The answer is ANTIMATTER.

What does ANTIMATTER mean?

Reading the plain dictionary sense of ANTIMATTER is often the fastest way to see why it answers this clue.

When else has “Power source for a warp drive in "Star Trek"” appeared?

The Washington Post reuses clues across dates, sometimes with a different answer depending on the grid. Here's where this exact clue has shown up, and what the answer was each time — handy when you're checking whether today's fill is the only one.

August 30, 2026 (most recent) → ANTIMATTER. We haven't indexed another appearance of this exact clue yet.

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