Real Dictionary

acute
an abnormal cell consisting of a large nucleus and small cytoplasm that was once thought to be an immature lymphocyte and is now associated with a type of leukaemia (lymphoblastic leukaemia) [...]
an acute accent [...]
An acute accent is a symbol that is placed over vowels in some languages in order to indicate how that vowel is pronounced or over one letter in a word to indicate where it is stressed. You refer to a letter with this accent as, for example, e acute. For
An acute illness is one that becomes severe very quickly but does not last very long. Compare chronic.
an acute or chronic disease characterized by a gross proliferation of leucocytes, which crowd into the bone marrow, spleen, lymph nodes, etc, and suppress the blood-forming apparatus [...]
any distinct or characteristic period or stage in a sequence of events or chain of development [...]
either of two bean-shaped organs at the back of the abdominal cavity in humans, one on each side of the spinal column. They maintain water and electrolyte balance and filter waste products from the blood, which are excreted as urine [...]
either one of a pair of spongy saclike respiratory organs within the thorax of higher vertebrates, which oxygenate the blood and remove its carbon dioxide [...]
of or relating to the muscular tissue of the heart [...]
of or relating to the spinal cord or the bone marrow [...]
physical damage or hurt [...]
physical exertion, esp for the purpose of development, training, or keeping fit [...]
the act of exposing or the condition of being exposed [...]
the act of responding; reply or reaction [...]
the degree of strength of a poison [...]
the formation or development of an infarct [...]
adjective: An acute angle is less than 90°. Compare obtuse angle.
adjective: If a person's or animal's sight, hearing, or sense of smell is acute, it is sensitive and powerful.
adjective: You can use acute to indicate that an undesirable situation or feeling is very severe or intense.
graded adjective: If you say that someone is acute or has an acute mind, you mean that they are quick to notice things and are able to understand them clearly.