therein

adverb

there·​in t͟her-ˈin 

1

: in or into that place, time, or thing

2

: in that particular or respect

therein lies the problem

Examples of therein in a Sentence

The insurance covers the apartment and all the property therein.

His name was mentioned in the article, although he was incorrectly described therein as a medical doctor.

Recent Examples on the Web

In fact, using any of the above can actually knock out some of the good bacteria living therein, screw with your vagina’s pH, and up your risk of an infection. —Erica Sloan, SELF, 3 June 2025

Some people are quite happy about that, mind you, and the Entity is being cheered on by a headbanger doomsday cult that — in a truly mind-blowing instance of art imitating life — has infiltrated the U.S. government and is causing chaos therein. —Damon Wise, Deadline, 14 May 2025

By establishing a chronology of the Group members’ works and analyzing the interrelationships of ideas therein, Rosenbaum seeks to create a literary history of Bloomsbury. —Jenny Noyce, JSTOR Daily, 14 May 2025

Can there be any doubt that therein hunkers the secret of the enduring power of the moment? —John Jeremiah Sullivan, Harpers Magazine, 29 Apr. 2025

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Phrases Containing therein

• therein lies
• therein lies the problem

Rhymes for therein

• aneurin
• crystallin
• eosin
• mandolin
• porphyrin
• underpin
• violin
• akin
• auxin
• buckskin
• chagrin
• deerskin

Kids Definition

therein

adverb

there·​in t͟ha-ˈrin 

t͟he-

1

: in or into that place, time, or thing

the world and all therein

2

: in that particular or respect

therein they disagreed