understand

verb

un·​der·​stand ˌən-dər-ˈstand How to pronounce understand (audio)
understood ˌən-dər-ˈstu̇d How to pronounce understand (audio) ; understanding

transitive verb

1
a
: to grasp the meaning of
understand Russian
b
: to grasp the reasonableness of
his behavior is hard to understand
c
: to have thorough or technical acquaintance with or expertness in the practice of
understand finance
d
: to be thoroughly familiar with the character and propensities of
understands children
2
: to accept as a fact or truth or regard as plausible without utter certainty
we understand that he is returning from abroad
3
: to interpret in one of a number of possible ways
4
: to supply in thought as though expressed
"to be married" is commonly understood after the word engaged

intransitive verb

1
: to have understanding : have the power of comprehension
2
: to achieve a grasp of the nature, significance, or explanation of something
3
: to believe or infer something to be the case
4
: to show a sympathetic or tolerant attitude toward something
understandability noun
understandable adjective
Choose the Right Synonym for understand

understand, comprehend, appreciate mean to have a clear or complete idea of.

understand and comprehend are very often interchangeable.

understand may, however, stress the fact of having attained a firm mental grasp of something.

orders that were fully understood and promptly obeyed

comprehend may stress the process of coming to grips with something intellectually.

I have trouble comprehending your reasons for doing this

appreciate implies a just evaluation or judgment of a thing's value or nature.

failed to appreciate the risks involved

Examples of understand in a Sentence

I can't understand a word you're saying. I don't understand these directions. I want you to stay away from her. Do you understand? I don't understand how this is supposed to work. He doesn't really understand the situation. You should read the book in order to understand more about the subject. I can't understand why she would do such a thing. She's beginning to understand what's going on. You have to understand that I had no other choice. At first we didn't get along, but I think we understand each other now.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Still, Republicans have said that even if that call was accurate, the C.I.A. failed in understanding other key events: how quickly the Afghan government could collapse, how Bashar al-Assad would flee Syria and how Hamas was preparing to attack Israel. Julian E. Barnes, New York Times, 18 Jan. 2025 From artificial intelligence transforming workflows to esports energizing learning, Bett 2025 is the must-attend event for anyone who wants to understand and influence the future of education in a rapidly changing world. Dan Fitzpatrick, Forbes, 18 Jan. 2025 Glenn, 52, spent 15 years as a cornerback for the New York Jets, Houston Texans, Dallas Cowboys, Jacksonville Jaguars and New Orleans Saints and understands the NFL grind from that perspective. Dan Wiederer, Chicago Tribune, 18 Jan. 2025 The first place to begin understanding the impact is the headline numbers. Justin Worland, TIME, 18 Jan. 2025 See all Example Sentences for understand 

Word History

Etymology

Middle English, from Old English understandan, from under + standan to stand

First Known Use

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

Time Traveler
The first known use of understand was before the 12th century

Dictionary Entries Near understand

Cite this Entry

“Understand.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/understand. Accessed 22 Jan. 2025.

Kids Definition

understand

verb
un·​der·​stand ˌən-dər-ˈstand How to pronounce understand (audio)
understood -ˈstu̇d How to pronounce understand (audio) ; understanding
1
a
: to get the meaning of : comprehend
b
: to have thorough acquaintance with
understand the arts
2
: to have reason to believe : gather, infer
I understand that they will arrive today
3
: to take as meaning something not openly made known : interpret, explain
understand the letter to be a refusal
4
: to have a sympathetic attitude
my cousin doesn't understand about these things
5
: to supply in thought as if expressed
"to be married" is commonly understood after the word "engaged"
understandable adjective
understandably
-blē
adverb

More from Merriam-Webster on understand

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