EFFICACY Crossword Clue

We found 95 solutions for 'EFFICACY' with 3 to 15 letters.
Filter Solutions by Word Length
Clue
Answer
Length
EFFICACY with 3 letters
USE
3
EFFICACY with 4 letters
DINT
4
FACT
4
GIFT
4
TONE
4
EFFICACY with 5 letters
AVAIL
5
FLAIR
5
FORCE
5
GOODS
5
GRASP
5
LOGIC
5
MIGHT
5
POWER
5
VALUE
5
EFFICACY with 6 letters
AGENCY
6
EFFECT
6
ENERGY
6
GENIUS
6
HEALTH
6
REASON
6
SANITY
6
TALENT
6
VIGOUR
6
VIRTUE
6
WEIGHT
6
EFFICACY with 7 letters
ABILITY
7
APTNESS
7
BALANCE
7
CALIBER
7
CALIBRE
7
COMMAND
7
FACULTY
7
FITNESS
7
POTENCY
7
UTILITY
7
WELFARE
7
EFFICACY with 8 letters
ADEQUACY
8
APTITUDE
8
CAPACITY
8
DISPATCH
8
FACILITY
8
JUDGMENT
8
RAPIDITY
8
SOBRIETY
8
SOLIDITY
8
STRENGTH
8
VALIDITY
8
EFFICACY with 9 letters
COHERENCE
9
ENDOWMENT
9
EXPERTISE
9
INFLUENCE
9
INGENUITY
9
INTEGRITY
9
INTELLECT
9
INTENSITY
9
SOUNDNESS
9
STABILITY
9
WELLBEING
9
WHOLENESS
9
EFFICACY with 10 letters
CAPABILITY
10
COMPETENCE
10
COMPETENCY
10
EFFICIENCY
10
EXERCISING
10
GOVERNANCE
10
HEARTINESS
10
USEFULNESS
10
EFFICACY with 11 letters
CAPABLENESS
11
CONSISTENCY
11
DISCERNMENT
11
PERFORMANCE
11
PROFICIENCY
11
PROMPTITUDE
11
RATIONALISM
11
SUFFICIENCY
11
SUITABILITY
11
EFFICACY with 12 letters
ADAPTABILITY
12
AVAILABILITY
12
INTELLIGENCE
12
POTENTIALITY
12
PRACTICALITY
12
PRODUCTIVITY
12
THOROUGHNESS
12
EFFICACY with 13 letters
COMPREHENSION
13
EFFECTIVENESS
13
QUALIFICATION
13
UNDERSTANDING
13
EFFICACY with 14 letters
CORRESPONDENCE
14
PRACTICABILITY
14
PRODUCTIVENESS
14
REASONABLENESS
14
SUBSTANTIALITY
14
SUSCEPTIBILITY
14
EFFICACY with 15 letters
EFFICACIOUSNESS
15
INSTRUMENTALITY
15

Definition of efficacy

  • capacity or power to produce a desired effect; "concern about the safety and efficacy of the vaccine"

Frequently asked questions for efficacy:

How many solutions are there for the crossword clue "EFFICACY"?

There are 95 solutions. The longest is EFFICACIOUSNESS with 15 letters, and the shortest is USE with 3 letters.

How can I find the solution for "EFFICACY"?

Use our smart search feature to filter by word length. Our system organizes results by frequency and relevance. Search through millions of answers to thousands of crossword clues—for free!

Is crossword puzzle clue "EFFICACY" trending today?

Yes, "EFFICACY" is currently trending (last update: 06 Dec 2025). Many solvers seem to find this clue challenging! Other clues with traffic peaks today are: Change, smother, Signal, Mixture and Cunning.

How long are the solutions for "EFFICACY"?

Solutions are between 3 and 15 letters long.

Still in puzzle mode? Solve these clues related to ‘EFFICACY’
Clue Answers
A LACK OF EFFICACY
10
holding a high or extreme view of the efficacy of the sacraments
1
Have efficacy
1
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