Substance that boosts the user's immune system against a specific disease

The answer to “Substance that boosts the user's immune system against a specific disease” in the Word Craze Daily Theme crossword is VACCINE — a 7-letter word. This clue ran in the Word Craze Daily Theme crossword on July 29, 2026, a Wednesday puzzle, at 2-Across. If it's the entry standing between you and a clean grid, that's the word you need — and below you'll find why it fits, plus links to the day's other clues if more than one square is giving you trouble.

“Substance that boosts the user's immune system against a specific disease” answer

VACCINE (7 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 VACCINE.

Why the answer is VACCINE

A clever shot that trains your body to fight one foe without the full battle 💉

When else has “Substance that boosts the user's immune system against a specific disease” appeared?

Word Craze Daily Theme reuses clues across dates, sometimes with a different answer depending on the grid. Here's where this exact clue has shown up before, and what the answer was each time — handy if you landed here from a puzzle on another date.

July 29, 2026 (this puzzle) → VACCINE. We haven't indexed an earlier appearance of this exact clue yet.

More clues from the Word Craze Theme Crossword on July 29, 2026

Stuck on more than one clue? Here are the entries either side of this one in the same puzzle — tap any for its answer and explanation.

• Change in the DNA sequences that can pass on to offspring → MUTATION
• Hard glossy substance covering the tooth's crown → ENAMEL
• Slanted tall structure in Italy, the _______ _____ of Pisa → LEANINGTOWER
• Shelled sea creature with claws that walk sideways → CRAB
• These flightless birds can be found in the South Pole → PENGUINS
• Input device used to issue commands to video game objects and characters → CONTROLLER
• Nintendo's action-adventure game series "The Legend of _____" → ZELDA
• Luigi takes the main role in this haunted game "Luigi's _______" → MANSION

Want every clue in one place? The full Word Craze Daily Theme answer list for July 29, 2026 is on that day's grid page, and today's live Word Craze Theme answers are always one tap from the today page.

About the Word Craze Theme Crossword

The Word Craze Daily Theme is the bonus daily crossword in Joy Vendor's Word Craze app, separate from the main Word Travel level packs. Every answer in the puzzle connects to a single theme for the day, so cracking one clue often hints at the rest — but a single unfamiliar trivia reference can still stall the whole board. Since in-app hints cost coins, checking a confirmed answer here is the quickest free way to get moving again.

Frequently asked questions