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Friendly opener? WSJ Crossword Clue

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Frequently Asked Questions About This Clue

Friendly opener?
The most common and recent 3-letter answer for "Friendly opener?" is ECO.
The clue 'Friendly opener?' refers to the prefix 'ECO-' which is commonly used to denote things related to ecology or the environment. 'Eco-friendly' is a term often used to describe products or practices that are environmentally friendly, making 'ECO' an 'opener' to the word 'friendly.'
This clue was last seen in the WSJ Crossword on November 11, 2026.
A prefix relating to ecology or the environment.
Shorthand for things that are green, Earth-conscious prefix, ___Boost (Ford engine designed to improve fuel economy), Lead-in to "lab" in the name of an S&P 500 company, Prefix with friendly or warrior

The clue “Friendly opener?” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated November 11 2026, the definitive 3-letter answer is: ECO.

Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.