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CROSSWORD CLUE

“Geological period”

Thomas Joseph Crossword · Saturday, June 20 2026 · 18 Across · 3 letters

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This clue sits at 18 Across — click the grid to reveal just this entry.

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The answer to “Geological period” is ERA — 3 letters.

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When was this clue last seen?

“Geological period” has appeared 1 time in the Thomas Joseph Crossword.

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Frequently asked questions

What is the answer to “Geological period”?

In the Thomas Joseph Crossword for Saturday, June 20 2026, the answer to “Geological period” is ERA (3 letters). It sits at 18 Across in the grid.

Could the answer be different in my puzzle?

The same clue text can take different answers depending on the grid it appears in. Every time we have seen “Geological period” in the Thomas Joseph Crossword the answer has been ERA, but always match the letter count with the squares in your grid.

How quickly are answers posted?

Every Thomas Joseph puzzle is solved and published here the morning it appears, Monday through Saturday. There is no Sunday puzzle.

Is this the official Thomas Joseph site?

No. This is an independent solver’s reference. The Thomas Joseph Crossword is published by King Features Syndicate.

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