Having the ability to learn quickly, understand, think logically, and solve complex problems; smart.
example
Sie ist eine sehr intelligente Wissenschaftlerin, die auf ihrem Gebiet bahnbrechende Entdeckungen gemacht hat.
She is a very intelligent scientist who has made groundbreaking discoveries in her field.
Usage tips
Use as an adverb
'Intelligent' can also be used as an adverb to describe how an action is carried out. It then means something like 'in a smart way'.
EXAMPLE
Sie hat das Problem sehr intelligent gelöst.
She solved the problem very intelligently.
Typical collocations
When referring to people or their abilities, 'intelligent' is often combined with nouns such as 'Mensch' (person), 'Tier' (animal), 'Frage' (question), 'Antwort' (answer), or 'Lösung' (solution).
EXAMPLE
Das war eine wirklich intelligente Frage.
That was a really intelligent question.
Technology context clue
In connection with technology, 'intelligent' refers to systems that learn independently or respond to data. You can recognize this meaning from nouns such as 'System' (system), 'Gerät' (device), 'Netzwerk' (network), or 'Zuhause' (home), as in Smart Home.
EXAMPLE
Unser Haus hat eine intelligente Heizungssteuerung, die Energie spart.
Our house has an intelligent heating control system that saves energy.
Compare with
antonym
intelligent vs dumm
stupid / unfortunate
'dumm' and 'intelligent' are opposites when it comes to mental abilities. 'dumm' describes someone or something as not very smart. 'intelligent' describes the ability to learn quickly, understand, and solve problems. 'intelligent' often sounds a bit more objective than 'klug' or 'schlau'. With people, it is usually about thinking and understanding; with 'dumm', the judgment is clearly negative and can be hurtful.
intelligent
Die neue Kollegin ist sehr intelligent und versteht komplizierte Aufgaben schnell.
The new colleague is very intelligent and understands complicated tasks quickly.
dumm
Nach dem Gespräch merkt sie, dass ihre Antwort dumm geklungen hat.
After the conversation, she realizes that her answer sounded stupid.