Try Our Apps
What is Ghosting?
in the act
In the process of doing something. For example,
The police caught the robber in the act
I was in the act of closing the window
Second half of 1600s
Performing sexual intercourse, as in
Her father caught them in the act
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Discover our greatest slideshows
Uncover the mysteries of the marks...
Eight Election Words That Will Fit...
Six words that can ruin your...
The Origins of 8 Classic Summer...
Browse more topics on our blog
What Is the Difference Between Discreet and Discrete?
Learn the correct uses of these two commonly confused homophones.
What Character Was Removed from the Alphabet?
What mistaken pronunciation gave this character its name?
This small mark has two primary uses: to signify possession or omitted letters.
How Do I Get a Word into the Dictionary?
People invent new words all the time, but which ones actually make it?
Word of the Day
Word Value for
Words With Friends
Nearby words for in the act
in terms of
in terrorem clause
in that case
in the act
in the aggregate
in the air
in the altogether
in the back
in the bag