Cluster

Cluster #87 answers

Monday 31 August 2026 · daily word connections puzzle

Spoilers below: all four groups and their words. Want to try it first? This puzzle is still free to play in the archive.

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All four groups for Cluster #87

WIND PHENOMENON TYPESWHIRLWIND, DUST, WATERSPOUT, VORTEX

Yellow - the most straightforward groupWHIRLWIND, DUST, WATERSPOUT and VORTEX are all wind phenomenon types - the most direct link on the board.

BIOLOGICAL CLOCKSCIRCADIAN, CIRCATIDAL, ULTRADIAN, INFRADIAN

Green - mediumCIRCADIAN, CIRCATIDAL, ULTRADIAN and INFRADIAN are all biological clocks.

COASTAL EROSIONCLIFF, ARCH, STACK, CAVE

Blue - harderCLIFF, ARCH, STACK and CAVE all fit the group coastal erosion.

WEATHER ADJECTIVESBALMY, SULTRY, FRIGID, BLUSTERY

Purple - the trickiest groupBALMY, SULTRY, FRIGID and BLUSTERY all fit weather adjectives. As the purple group it is the hardest link to spot, often because some of these words look as if they belong elsewhere.

About Cluster #87

Cluster gives you 16 words that hide four groups of four. Yellow is the most straightforward group and purple the trickiest, with green and blue in between. You can make four mistakes. New to it? Read how to play Cluster.