Theory:

Antonyms are words that have the exact opposite meaning of another word.
Example:
Good_Bad.png
Antonyms derive its name from the word "anti" meaning "opposite" and "onym" meaning "name".
Antonyms are important because it helps to understand the exact meaning of the word given. To understand the meaning of a word, we can also take a look at the antonym or the opposite word. It helps us to find the exact meaning from diverse meanings, from the opposite point of view.
Important!
It may be interesting to note that most dictionaries present the meaning, synonyms and antonyms of words for a clear understanding.
Example:
Let us take up the case of the word "beautiful".
  • The dictionary meaning is "pleasing the senses or mind aesthetically". Synonyms are "lovely, pretty, good-looking" and the antonym is "ugly".
  • The antonym expresses the opposite meaning, and it is precise. It helps to understand the word "beautiful" from a reverse perspective also.
Important!
Click here for an extensive list of antonyms.
Antonyms of words from the lesson "Sir Isaac NewtonAn Ingenious Scientist"  are:  
 
No.
Words
Antonyms
1
kindcruel
2
tastedislike
3
possessedlacked
4
usuallyrarely
5
creationdestruction
6
wearyenergetic, fresh
7
richpoor
8
oftenseldom
9
gentlestrong
10
frequentlyrarely
11
busyidle
12
large small
13
swiftlyslowly
14
sufficientinsufficient
15
forgottenremembered
16
deficiencysurplus
17
miniaturegiant
18
dishonesthonest
19
reverentialirreverent
20
accustomedunusual
21
loftyshort
22
renownedunknown
23
prideshame
24
vastnesstriviality
25
ceasedcontinued
26
infinitelimited
27
endurableunbearable
 
Important!
To know more about antonyms, click here.