a question raised for consideration or solution; "our homework consisted of ten problems to solve"
a state of difficulty that needs to be resolved; "she and her husband are having problems"; "it is always a job to contact him"; "urban problems such as traffic congestion and smog"
inquire into; "the students had to research the history of the Second World War for their history project"; "He searched for information on his relatives on the web"; "Scientists are exploring the nature of consciousness"
attempt to find out in a systematically and scientific manner; "The student researched the history of that word"
some situation or event that is thought about; "he kept drifting off the topic"; "he had been thinking about the subject for several years"; "it is a matter for the police"
mutability in life or nature (especially successive alternation from one condition to another)
a variation in circumstances or fortune at different times in your life or in the development of something; "the project was subject to the usual vicissitudes of exploratory research"
the faculty through which the external world is apprehended; "in the dark he had to depend on touch and on his senses of smell and hearing"
a general conscious awareness; "a sense of security"; "a sense of happiness"; "a sense of danger"; "a sense of self"
a natural appreciation or ability; "a keen musical sense"; "a good sense of timing"
the meaning of a word or expression; the way in which a word or expression or situation can be interpreted; "the dictionary gave several senses for the word"; "in the best sense charity is really a duty"; "the signifier is linked to the signified"
comprehend; "I sensed the real meaning of his letter"
become aware of not through the senses but instinctively; "I sense his hostility"
detect some circumstance or entity automatically; "This robot can sense the presence of people in the room"; "particle detectors sense ionization"
a judgment of the qualities of something or somebody; "many factors are involved in any estimate of human life"; "in my estimation the boy is innocent"
an approximate calculation of quantity or degree or worth; "an estimate of what it would cost"; "a rough idea how long it would take"
the respect with which a person is held; "they had a high estimation of his ability"
a statement indicating the likely cost of some job; "he got an estimate from the car repair shop"
judge tentatively or form an estimate of (quantities or time); "I estimate this chicken to weigh three pounds"