Definition of intelligence
1a(1) : the ability to learn or understand or to deal with new or trying situations : reason also : the skilled use of reason
(2) : the ability to apply knowledge to manipulate one's environment or to think abstractly as measured by objective criteria (such as tests)
c : mental acuteness : shrewdness
b Christian Science : the basic eternal quality of divine Mind
b : information concerning an enemy or possible enemy or an area also : an agency engaged in obtaining such information
3 : the act of understanding : comprehension
4 : the ability to perform computer functions
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