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acute (adj) (of diseases) very serious or severe (as also of deficiencies); very intelligent and quick to understand; (of the senses) highly developed and very keen.
A person suffering from a serious heart problem has an acute heart disease. A serious deficiency of any vitamin is acute deficiency. Similarly a severe shortage of water or funds is an acute shortage of water or funds. If a problem is serious, the problem is acute. One who closely observes things and understands them quickly is an acute observer. Dogs, for example, can sense even faint smells, so they have an acute sense of smell. Some reptiles have an acute sense of hearing.
- The acute detective understood in no time that the acute illness the accused claimed to be suffering from was just a pretence.
- Countries like India with their vast manpower are suffering from acute unemployment problem; it is rendered more acute by computerization.