Words with un-, dis-, in-, im- and non-

Key Notes:-

1. Introduction to Prefixes:

• Prefixes are added to the beginning of a word to change its meaning.
• The prefixes un-, dis-, in-, im-, and non- typically give words a negative or opposite meaning.

2. Understanding Each Prefix:

• Un-: Means “not” or “the opposite of.”
  • Example: unhappy (not happy), uncertain (not certain).
• Dis-: Indicates reversal or removal, also means “not.”
  • Example: dislike (not like), disconnect (remove connection).
• In-: Means “not” or “without.” It is often used before words starting with consonants.
  • Example: incomplete (not complete), invisible (not visible).
• Im-: A variation of “in-” used before words that start with “b,” “m,” or “p.”
  • Example: impossible (not possible), immature (not mature).
• Non-: Means “not” or “without.”
  • Example: nonsense (without sense), nonexistent (not existing).

3. How Prefixes Change Word Meaning:

• Adding a negative prefix can reverse the meaning of the root word, creating a new word with the opposite meaning.
• Example: active (engaged) vs. inactive (not engaged).

4. Spelling Rules:

• Some words change slightly when prefixes are added, especially if the word begins with a particular letter that matches the prefix (e.g., im for b, m, p words).
• Watch for any silent letters or double consonants.

5. Usage in Sentences:

• Understanding how to use these words in context is important. Practice using words like unhappy, disconnect, impatient, etc., in sentences.

6. Common Errors to Avoid:

• Don’t confuse dis- with mis-, which implies incorrect action, not negation (e.g., misunderstand vs. disagree).

let’s practice!