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"
endorsed authoritatively as having met certain requirements; "a certified public accountant"
holding appropriate documentation and officially on record as qualified to perform a specified function or practice a specified skill; "a registered pharmacist"; "a registered hospital"
having quality or payment or delivery guaranteed; "certified milk"; "certified check"; "certified mail"
a stage in psychosexual development when the child's interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression
of or involving the mouth or mouth region or the surface on which the mouth is located; "the oral cavity"; "the oral mucous membrane"; "the oral surface of a starfish"
using speech rather than writing; "an oral tradition"; "an oral agreement"
of or relating to or affecting or for use in the mouth; "oral hygiene"; "an oral thermometer"; "an oral vaccine"
presently existing in fact and not merely potential or possible; "the predicted temperature and the actual temperature were markedly different"; "actual and imagined conditions"
being or existing at the present moment; "the ship's actual position is 22 miles due south of Key West"
taking place in reality; not pretended or imitated; "we saw the actual wedding on television"; "filmed the actual beating"
existing in act or fact; "rocks and trees...the actual world"; "actual heroism"; "the actual things that produced the emotion you experienced"
being or reflecting the essential or genuine character of something; "her actual motive"; "a literal solitude like a desert"- G.K.Chesterton; "a genuine dilemma"