apprehend

verb

ap·​pre·​hend ˌa-pri-ˈhend 

apprehended; apprehending; apprehends

transitive verb

1

: arrest, seize

apprehend a thief

2

a

: to become aware of : perceive

She immediately apprehended the problem.

b

: to anticipate especially with anxiety, dread, or fear

3

: to grasp with the understanding : recognize the meaning of

intransitive verb

: understand, grasp

Did you know?

To apprehend is to seize, either physically or mentally. So to apprehend a thief is to nab him. But to apprehend a confusing news story, or to apprehend a difficult concept in physics, is to understand it—that is, to "grasp" it mentally. If you're apprehensive about something that's about to happen, it means you've grasped all the unpleasant possibilities and are waiting with anxiety or dread.

Synonyms

• appreciate
• assimilate
• behold
• catch
• catch on (to)
• cognize
• compass
• comprehend
• conceive
• cotton (to or on to)
• decipher
• decode
• dig
• discern
• get
• grasp
• grok
• intuit
• know
• make
• make out
• perceive
• recognize
• register
• savvy
• see
• seize
• sense
• tumble (to)
• twig
• understand

Examples of apprehend in a Sentence

Within hours, police had apprehended the thief.

subtle differences that are difficult to apprehend

Recent Examples on the Web

On Friday’s episode of The Excerpt podcast: President Donald Trump is expanding the pool of federal law enforcement officers who can investigate and apprehend immigrants. —Taylor Wilson, USA TODAY, 24 Jan. 2025

Immigration and Customs Enforcement (ICE) agents have apprehended 538 undocumented immigrants, according to a January 23 update from the agency. —Gordon G. Chang, Newsweek, 24 Jan. 2025

The police’s bomb squad and FBI apprehend or kill most of the terrorists and capture 14 canisters of the chemical weapon attached to the U.N. building’s air vents, but Markus escapes and puts the final canister inside the HVAC system of a nearby hotel. —Jake Kring-Schreifels, TIME, 24 Jan. 2025

Police said one of the suspects was immediately apprehended following a brief foot pursuit. —Justin Muszynski, Hartford Courant, 23 Jan. 2025

Word History

Etymology

Middle English, from Latin apprehendere, literally, to seize, from ad- + prehendere to seize — more at get

First Known Use

15th century, in the meaning defined at transitive sense 1

Kids Definition

apprehend

verb

ap·​pre·​hend ˌap-ri-ˈhend 

1

: arrest entry 1 sense 2

apprehend a burglar

2

: to look forward to with fear and uncertainty

3

: understand sense 1a

Legal Definition

apprehend

transitive verb

ap·​pre·​hend ˌa-prə-ˈhend 

: arrest

Etymology

Latin apprehendere to seize, arrest, from ad to + prehendere to seize