Enter a clue or pattern or both:
The Clue
Make more efficient (4 letter answer)
The Answer
HONE
Tags
Notes
The answer HONE is seen frequently, appearing about once every 90 puzzles.
Related Clues
Improve
Perfect
Sharpen
Whet
Whetstone
Fine-tune
Give an edge to
Grind, maybe
Improve, in a way
Practice, as skills
Put an edge on
Sharpen, as a razor
Sharpen, as on a whetstone
Strop a razor
Use a strop
Use a whetstone
Aid in gaining an edge
Do a cutler's job
It'll give you the edge
Definition
HONE as a noun:
1. a whetstone made of fine gritstone; used for sharpening razors
HONE as a verb:
1. sharpen with a hone; "hone a knife"
2. (perfect, hone) = make perfect or complete; "perfect your French in Paris!"