Notes On Suffix and Prefix - CBSE Class 9 English Grammar
PREFIXES AND SUFFIXES

PREFIXES
Prefixs are added to the beginning of a word to make a new word, eg mis+take. Some common prefixes are 'mis', 'dis', 're', 'for', 'anti', 'ante', 'sub', 'un' and 'in'.
New words are made by placing a prefix in front of a word. It is helpful to know the meanings of prefixes. Prefix 're' means again, therefore reappear means to appear again.

Common prefix meanings
pre - before
mis - bad(ly)
sub - under
inter - between
semi - half
The following prefixes of 'im', 'ir', 'il', 'in' and 'un' can be added to the beginning of words to make them into a negative.

Examples
im + possible = impossible
ir + responsible = irresponsible
il + legal = illegal
in + active = inactive
un + happy = unhappy

SUFFIXES

Letters added to the end of a main word are called suffixes.The addition of a suffix often changes a word from one word class to another. In the table above, the verb like becomes the adjective like able, the noun idol becomes the verb idolize, and the noun child becomes the adjective childish. Common suffixes are: 'ed', 'ful', 'ly', 'ing', 'able', 'ance', 'ence', 'ness'.

Example
harm + less = harmless
When 'full' is added to a word you drop the final 'l'. If you add 'ly' to any word ending with 'ful' you keep the existing 'l'.

Example
hand + full = handful
rest + full = restful
restful + ly = restfully

Note: Suffixes and prefixes are not words in their own right and cannot stand on their own in a sentence: if they are printed on their own they have a hyphen before or after them.

Summary

PREFIXES AND SUFFIXES

PREFIXES
Prefixs are added to the beginning of a word to make a new word, eg mis+take. Some common prefixes are 'mis', 'dis', 're', 'for', 'anti', 'ante', 'sub', 'un' and 'in'.
New words are made by placing a prefix in front of a word. It is helpful to know the meanings of prefixes. Prefix 're' means again, therefore reappear means to appear again.

Common prefix meanings
pre - before
mis - bad(ly)
sub - under
inter - between
semi - half
The following prefixes of 'im', 'ir', 'il', 'in' and 'un' can be added to the beginning of words to make them into a negative.

Examples
im + possible = impossible
ir + responsible = irresponsible
il + legal = illegal
in + active = inactive
un + happy = unhappy

SUFFIXES

Letters added to the end of a main word are called suffixes.The addition of a suffix often changes a word from one word class to another. In the table above, the verb like becomes the adjective like able, the noun idol becomes the verb idolize, and the noun child becomes the adjective childish. Common suffixes are: 'ed', 'ful', 'ly', 'ing', 'able', 'ance', 'ence', 'ness'.

Example
harm + less = harmless
When 'full' is added to a word you drop the final 'l'. If you add 'ly' to any word ending with 'ful' you keep the existing 'l'.

Example
hand + full = handful
rest + full = restful
restful + ly = restfully

Note: Suffixes and prefixes are not words in their own right and cannot stand on their own in a sentence: if they are printed on their own they have a hyphen before or after them.

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