Academic IELTS (Band 5 and Below) - Intelligence

good at learning things, understanding ideas, and thinking clearly

able to think and learn in a good and quick way

having the necessary experience or knowledge to perform well in a particular field

making use of imagination or innovation in bringing something into existence

deeply knowledgeable and experienced and capable of giving good advice or making good decisions

able to think quickly and find solutions to problems

relating to or involving the use of reasoning and understanding capacity

able to understand and notice things quickly

capable of thinking and learning in a good and quick way

struggling to learn or understand things quickly

lacking knowledge or awareness about a particular subject or situation

not very smart or not interested in intellectual things

lacking careful thought or sound judgment in decisions or actions

displaying poor judgment or a lack of caution

lacking the ability to understand, reason, or make good decisions

(of a person) not intelligent and unable to comprehend complicated matters

not fast at learning or understanding things

showing no cleverness

done without thought or reason

showing a lack of seriousness, often in a playful way

having an understanding or perception of something, often through careful thought or sensitivity