All Results
certain ( Adjective)
UK /ˈsɜː.tən/ US /ˈsɝː.tən/
Comparative
more certain
Superlative
most certain
1-
B1
having a great belief in something; not possessing any concerns
-> I think I was quite certain about house rules.
-> Nobody was certain about who was the thief.
Synonym
Definite
Opposite
Doubtful
2-
B1
the thing that you can count on to occur or be real
-> It is certain that he loves you.
-> We don't know for certain whether he's coming.
Synonym
bound, sure, definite, guaranteed
3-
B1
utilized to refer to a certain item, individual, or society without providing any additional information about it or them
-> The library is only open at certain times.
-> Only certain people show their interest to this masterpiece.
4-
B1
small; simple to see yet hard to put into words
-> She's got a certain charm.
-> I don't have certain amount courage for that job.
Synonym
Obvious
Word Families
'certain' Contained Stories
They too are the living beings in the world ( may be even underworld) on top of humans and plants. Animals are found in every part of the world. Some live in forests. Others live in hot, sandy deserts or even underground. Their comfort zones depend upon the place they survive . Sometimes human activities can block their living conditions. For example , deforestation can break the ecosystem. Lakes, rivers and the sea. Animals can be domestic and calm as well as wild. They can be kept as pets like dog, cat and parrots for care and at the same time there are wild animals like the lion , tiger etc. All these when combined become the animal family. Some animals have gone extinct due to the conditions they survived and what surrounded them. Animals also communicate with each other . Animals are worth keeping. We don't have to worry when he have a cute pet at our home. When we have this way of thinking which is to keep pets, they are the best option. To our surprise comb jelly was the first animal to be found on earth. The natural world contains about 8.7 million species but still some are in uncertainty.