Mucus

5 lettersnoun

Updated June 2026

Definition

a slimy substance secreted by mucous membranes

“The cold caused excessive mucus production.”

Pronunciation

IPA

/mjuːkəs/

Syllables

mu·cus

Word Game Tips

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Wordle

"Mucus" repeats a letter (4 unique of 5), so it rules out fewer options as an opening guess. Its 2 vowels balance the consonants.

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Scrabble

"Mucus" is worth 9 points before board bonuses. Aim its letters at double/triple-letter and word squares to lift the score.

Words Related to Mucus

Words one letter different

Change a single letter of “mucus” to make these 5-letter words — useful for Wordle and crossword clues.

fucus mucks mutus

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Dictionary References

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