Know vs. Understand

Knowverb

(transitive) To perceive the truth or factuality of; to be certain of or that.

Knowverb

(transitive) To be aware of; to be cognizant of.

Knowverb

(transitive) To be acquainted or familiar with; to have encountered.

Knowverb

(transitive) To experience.

Knowverb

(transitive) To be able to distinguish, to discern, particularly by contrast or comparison; to recognize the nature of.

Knowverb

(transitive) To recognize as the same (as someone or something previously encountered) after an absence or change.

Knowverb

To understand or have a grasp of through experience or study.

Knowverb

To have sexual relations with.

Knowverb

(intransitive) To have knowledge; to have information, be informed.

Knowverb

(intransitive) To be or become aware or cognizant.

Knowverb

To be acquainted (with another person).

Knowverb

(transitive) To be able to play or perform (a song or other piece of music).

Knownoun

(rare) Knowledge; the state of knowing.

Knownoun

Knee.

Knowverb

To perceive or apprehend clearly and certainly; to understand; to have full information of; as, to know one's duty.

Knowverb

To be convinced of the truth of; to be fully assured of; as, to know things from information.

Knowverb

To be acquainted with; to be no stranger to; to be more or less familiar with the person, character, etc., of; to possess experience of; as, to know an author; to know the rules of an organization.

Knowverb

To recognize; to distinguish; to discern the character of; as, to know a person's face or figure.

Knowverb

To have sexual intercourse with.

Knowverb

To have knowledge; to have a clear and certain perception; to possess wisdom, instruction, or information; - often with of.

Knowverb

To be assured; to feel confident.

Knowverb

be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about;

Knowverb

know how to do or perform something;

Knowverb

be aware of the truth of something; have a belief or faith in something; regard as true beyond any doubt;

Knowverb

be familiar or acquainted with a person or an object;

Knowverb

have firsthand knowledge of states, situations, emotions, or sensations;

Knowverb

accept (someone) to be what is claimed or accept his power and authority;

Knowverb

have fixed in the mind;

Knowverb

have sexual intercourse with;

Knowverb

know the nature or character of;

Knowverb

be able to distinguish, recognize as being different;

Knowverb

perceive as familiar;

Knowverb

be aware of through observation, inquiry, or information

Knowverb

have knowledge or information concerning

Knowverb

be absolutely certain or sure about something

Knowverb

have developed a relationship with (someone) through meeting and spending time with them; be familiar or friendly with

Knowverb

have a good command of (a subject or language).

Knowverb

recognize (someone or something)

Knowverb

be familiar or acquainted with (something)

Knowverb

have personal experience of (an emotion or situation)

Knowverb

regard or perceive as having a specified characteristic

Knowverb

give (someone or something) a particular name or title

Knowverb

be able to distinguish one person or thing from (another)

Knowverb

have sexual intercourse with (someone).

Understandverb

(transitive) To be aware of the meaning of.

Understandverb

To believe, based on information.

Understandverb

To impute meaning, character etc. that is not explicitly stated.

Understandverb

To stand under; to support.

Understandverb

One who supports others in such performances as the human pyramid.

Understandverb

To have just and adequate ideas of; to apprehended the meaning or intention of; to have knowledge of; to comprehend; to know; as, to understand a problem in Euclid; to understand a proposition or a declaration; the court understands the advocate or his argument; to understand the sacred oracles; to understand a nod or a wink.

Understandverb

To be apprised, or have information, of; to learn; to be informed of; to hear; as, I understand that Congress has passed the bill.

Understandverb

To recognize or hold as being or signifying; to suppose to mean; to interpret; to explain.

Understandverb

To mean without expressing; to imply tacitly; to take for granted; to assume.

Understandverb

To stand under; to support.

Understandverb

To have the use of the intellectual faculties; to be an intelligent being.

Understandverb

To be informed; to have or receive knowledge.

Understandverb

know and comprehend the nature or meaning of;

Understandverb

perceive (an idea or situation) mentally;

Understandverb

make sense of a language;

Understandverb

believe to be the case;

Understandverb

be understanding of;

Understandverb

perceive the intended meaning of (words, a language, or a speaker)

Understandverb

perceive the significance, explanation, or cause of

Understandverb

interpret or view (something) in a particular way

Understandverb

infer something from information received (often used as a polite formula in conversation)

Understandverb

regard (a missing word, phrase, or idea) as present

Understandverb

assume to be the case; take for granted

Understandverb

be sympathetically or knowledgeably aware of the character or nature of