Definition of "intelligent" in English

adjective

1. Of high or especially quick cognitive capacity, bright.

2. Well thought-out, well considered.

   • The engineer had a very intelligent design proposal for the new car.
   • The general devised an intelligent strategy for the southern campaign.

3. Characterized by thoughtful interaction.

   • My girlfriend and I had an intelligent conversation.

4. Having at least a similar level of brain power to humankind.

   • The hunt for extraterrestrial intelligent life continues.

5. (computing) Having an environment-sensing automatically-invoked built-in computer capability.

   • an intelligent network or keyboard

noun

1. A member of the intelligentsia; an intelligent person.