Known to be effective WSJ Crossword Clue

By Narcissa Kh / October 15, 2025

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Crossword Answer

1 ? T

2 ? E

3 ? S

4 ? T

5 ? E

6 ? D

Hint

Interactive Solver for Known to be effective Crossword Clue

Drag letters from the pool into “Your Answer”, then reorder them to match the solution.

Your Answer 6 Letter

Current guess: —

Letter Pool

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Hint 1

hint

Reveal Hint

Think of what happens in a lab to ensure reliability.

Hint 2

meaning

Reveal Hint

?????? means having undergone trials to determine effectiveness or reliability.

Hint 3

explanation

Reveal Hint

The clue 'Known to be effective' suggests something that has been tried and proven to work. '??????' implies that the effectiveness of something has been verified through trials or experiments.

Hint 4

another clue

Reveal Hint

Tried-and-true, No longer green, Tried out

WSJ Crossword October 15 2025 Answers

Tap a cell to show its letter

1 ? D
2 ? I
3 ? R
4 ? T
5 ? W
6 ? A
7 ? T
8 ? T
9 ? O
10 ? C
11 ? T
12 ? A
13 ? L
14 ? O
? R
? E
? O
15 ? O
? B
? O
? E
16 ? B
? O
? R
? N
? E
17 ? G
? A
? M
? E
18 ? M
? E
? A
? T
? S
19 ? S
? T
? A
? I
? D
20 ? S
? N
? A
? R
? E
21 ? E
? T
22 ? E
23 ? E
? C
? T
? O
24 ? P
? R
? I
25 ? M
26 ? E
? M
? E
? R
27 ? I
? D
? I
? A
? N
28 ? R
? A
? D
29 ? D
? A
? D
? A
30 ? L
31 ? O
32 ? O
33 ? P
34 ? A
? G
35 ? E
36 ? O
? Z
37 ? A
38 ? W
39 ? A
40 ? E
? X
? T
? R
41 ? E
? M
? E
? M
42 ? E
43 ? A
? S
? U
? R
? E
? S
44 ? B
? O
? S
? O
? M
45 ? O
? L
? D
46 ? R
? E
? E
? K
47 ? S
? I
48 ? L
49 ? O
50 ? L
? A
51 ? D
52 ? O
53 ? H
54 ? S
? U
? R
? E
? B
55 ? L
? A
? M
? E
56 ? M
57 ? E
58 ? N
? O
? I
? R
59 ? T
? A
? E
60 ? N
? O
? V
61 ? A
62 ? S
63 ? T
? H
? E
? F
64 ? T
65 ? M
? E
66 ? M
67 ? E
? S
? T
? O
? C
? K
68 ? O
? U
? T
? E
? R
69 ? A
? R
? E
? S
70 ? O
? K
? A
? Y
71 ? E
? M
? E
? R
? Y
72 ? S
? S
? N
? S
73 ? R
? E
? D
? S

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Clue Analysis

The clue “Known to be effective” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated October 15 2025, the definitive 6-letter answer is: TESTED.

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.

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Your Questions, Answered by Experts.

At Daze Puzzle, we understand that every clue is a puzzle within a larger puzzle. Our team of dedicated human experts and puzzle lovers solves these challenges daily to help you succeed. Below, we answer common questions about this specific clue.

A: The most common and recent 6-letter answer for "Known to be effective" is TESTED.

A: The clue 'Known to be effective' suggests something that has been tried and proven to work. 'TESTED' implies that the effectiveness of something has been verified through trials or experiments.

A: This clue was last seen in the WSJ Crossword on October 15, 2025.

A: TESTED means having undergone trials to determine effectiveness or reliability.

A: Tried-and-true, No longer green, Tried out

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Known to be effective WSJ Crossword Clue

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