a venture undertaken without regard to possible loss or injury; "he saw the rewards but not the risks of crime"; "there was a danger he would do the wrong thing"
the probability of being exposed to an infectious agent
the probability of becoming infected given that exposure to an infectious agent has occurred
expose to a chance of loss or damage; "We risked losing a lot of money in this venture"; "Why risk your life?"; "She laid her job on the line when she told the boss that he was wrong"
the fact of being aware of information that is known to few people; "he is always in the know"
be familiar or acquainted with a person or an object; "She doesn't know this composer"; "Do you know my sister?"; "We know this movie"; "I know him under a different name"; "This flower is known as a Peruvian Lily"
be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about; "I know that the President lied to the people"; "I want to know who is winning the game!"; "I know it's time"
be aware of the truth of something; have a belief or faith in something; regard as true beyond any doubt; "I know that I left the key on the table"; "Galileo knew that the earth moves around the sun"
know how to do or perform something; "She knows how to knit"; "Does your husband know how to cook?"
have fixed in the mind; "I know Latin"; "This student knows her irregular verbs"; "Do you know the poem well enough to recite it?"
have firsthand knowledge of states, situations, emotions, or sensations; "I know the feeling!"; "have you ever known hunger?"; "I have lived a kind of hell when I was a drug addict"; "The holocaust survivors have lived a nightmare"; "I lived through two divorces"
perceive as familiar; "I know this voice!"
be able to distinguish, recognize as being different; "The child knows right from wrong"
know the nature or character of; "we all knew her as a big show-off"
make understandable to the general public; "Carl Sagan popularized cosmology in his books"
cater to popular taste to make popular and present to the general public; bring into general or common use; "They popularized coffee in Washington State"; "Relativity Theory was vulgarized by these authors"
make a request or demand for something to somebody; "She asked him for a loan"
consider obligatory; request and expect; "We require our secretary to be on time"; "Aren't we asking too much of these children?"; "I expect my students to arrive in time for their lessons"
inquire about; "I asked about their special today"; "He had to ask directions several times"
direct or put; seek an answer to; "ask a question"
address a question to and expect an answer from; "Ask your teacher about trigonometry"; "The children asked me about their dead grandmother"
require or ask for as a price or condition; "He is asking $200 for the table"; "The kidnappers are asking a million dollars in return for the release of their hostage"
make a solicitation or petition for something desired; "She is too shy to solicit"
incite, move, or persuade to some act of lawlessness or insubordination; "He was accused of soliciting his colleagues to destroy the documents"
make a solicitation or entreaty for something; request urgently or persistently; "Henry IV solicited the Pope for a divorce"; "My neighbor keeps soliciting money for different charities"