'Anti-' & 'Auto-'
English Language: KS3, topic 1.2.1
'Anti-' Means Against
Prefixes are letters or words placed at the start of words which change their meaning. The prefix 'anti-' means being against something. Let's look at some examples of words beginning with 'anti'...

Anticlockwise (against clockwise)

Antiseptic (against germs)

Antibiotic (against bacteria)

Antisocial (against being social)
'Auto-' Means Self
Prefixes are letters or words placed at the start of words which change their meaning. The prefix 'auto-' means 'self'. Let's look at some examples of words beginning with 'auto'...

Autobiography
- An autobiography is an account you write of your own life. So think of it as a story you write about yourself.

Autograph
- An autograph is a signature. In other words, your name written by yourself.

Automatic
- Something that is automatic works by itself.
- For example, an automatic car changes gears by itself.

Autonomous
- A country or place that is autonomous can govern or rule itself.
Test yourself on 'Anti-' & 'Auto-'
What does the prefix 'anti-' mean?
If we add the prefix anti to the word clockwise, we get anticlockwise.
What is the meaning of anticlockwise?What prefix would I add to a word to mean 'against'?
What does the prefix 'auto-' mean?
What does the word __auto__matic mean?