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.
UNDERSTAND definition: 1. to know the meaning of something that someone says: 2. to know why or how something happens or…. Learn more.
to grasp the significance or importance of: [~ + object] He doesn't understand responsibility.[no object] A child doesn't understand about death. to learn or hear:[~ + (that) clause] I understand that you were ill.
understand to know or realize the meaning of words, a language, what someone says, etc.; to know or realize how or why something happens, how it works, or why it is important: I don't understand the instructions. Doctors are just beginning to understand the causes of the disease.
Understand is the most general and can apply to a range of situations or degrees of perception: understood the directions; understands only a little spoken Spanish; couldn't understand what I did wrong.
understand (third-person singular simple present understands, present participle understanding, simple past and past participle understood) (transitive, intransitive, of communication or means of communication: words, statements, signs, etc.)
UNDERSTAND definition: to perceive the meaning of; grasp the idea of; comprehend. See examples of understand used in a sentence.
Understanding is a psychological process related to an abstract or physical object, such as a person, situation, or message whereby one is able to use concepts to model that object. Understanding is a relation between the knower and an object of understanding.
If you understand someone or understand what they are saying, you know what they mean. I think you heard and also understand me. I don't understand what you are talking about.