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

Well, therein lies the problem. —Ian Miller Outkick, FOXNews.com, 27 Apr. 2026

But therein lies the danger with what the Pistons have done here, while coming undone themselves. —John Niyo, The Orlando Sentinel, 26 Apr. 2026

But Khanna’s reasoning—essentially, that the intense public interest in the files demands transparency and that the American public can be trusted to be judicious with unverified claims therein—is not very convincing. —Jon Allsop, New Yorker, 24 Apr. 2026

And therein lies screenwriter John Logan’s and director Antoine Fuqua’s damn near insurmountable hurdle. —Keith Murphy, VIBE.com, 24 Apr. 2026

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

• akin
• auxin
• buckskin
• chagrin
• deerskin
• foreskin
• fuchsin
• herein
• kingpin
• linchpin
• pigskin
• pinyin

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