Suffixes - ible, or able - Free Printable

Problem Overview:

The task involves adding the suffixes -ible or -able to given words and then writing definitions for the resulting adjectives. The worksheet provides guidelines on choosing between -ible and -able, but there are no strict rules, so some words may require checking a dictionary.

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Step 1: Add the Suffixes

We need to add either -ible or -able to the provided words. Here are the completed words:

1. forget → forgettable
2. suit → suitable
3. vis → visible
4. terr → terrible
5. ed → edible
6. understand → understandable
7. respons → responsible
8. predict → predictable
9. comfort → comfortable
10. poss → possible
11. allow → allowable
12. excit → excitable
13. read → readable
14. divis → divisible
15. incred → incredible

#### Explanation:
- Suitable: The root word "suit" remains unchanged, so we use -able.
- Visible: The root word "vis" is not a complete word, so -ible is added.
- Terrible: The root word "terr" is not a complete word, so -ible is added.
- Edible: The root word "ed" is not a complete word, so -ible is added.
- Understandable: The root word "understand" remains unchanged, so we use -able.
- Responsible: The root word "respons" is not a complete word, so -ible is added.
- Predictable: The root word "predict" remains unchanged, so we use -able.
- Comfortable: The root word "comfort" remains unchanged, so we use -able.
- Possible: The root word "poss" is not a complete word, so -ible is added.
- Allowable: The root word "allow" remains unchanged, so we use -able.
- Excitable: The root word "excit" is not a complete word, so -ible is added.
- Readable: The root word "read" remains unchanged, so we use -able.
- Divisible: The root word "divis" is not a complete word, so -ible is added.
- Incredible: The root word "incred" is not a complete word, so -ible is added.

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Step 2: Write Definitions

We need to write definitions for the adjectives formed in Step 1. Here are the definitions:

1. Flexible: Something that can bend easily.
2. Sensible: Having or showing good sense or sound judgment.
3. Horrible: Extremely unpleasant or shocking.
4. Incredible: Too surprising or amazing to be believed.
5. Suitable: Appropriate or fitting for a particular purpose or situation.
6. Noticeable: Easy to see or perceive; conspicuous.
7. Adorable: Extremely pleasing or lovable.
8. Predictable: Able to be foreseen or anticipated.

#### Explanation:
- Sensible: Refers to someone or something that shows good judgment or common sense.
- Horrible: Describes something that is extremely unpleasant or frightening.
- Incredible: Indicates something that is astonishing or unbelievable.
- Suitable: Means appropriate or fitting for a specific purpose.
- Noticeable: Refers to something that is easy to observe or detect.
- Adorable: Describes something that is very cute or lovable.
- Predictable: Means something that can be anticipated or foreseen.

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Final Answer:

#### Part 1: Words with Suffixes
1. forgettable
2. suitable
3. visible
4. terrible
5. edible
6. understandable
7. responsible
8. predictable
9. comfortable
10. possible
11. allowable
12. excitable
13. readable
14. divisible
15. incredible

#### Part 2: Definitions
1. Flexible: Something that can bend easily.
2. Sensible: Having or showing good sense or sound judgment.
3. Horrible: Extremely unpleasant or shocking.
4. Incredible: Too surprising or amazing to be believed.
5. Suitable: Appropriate or fitting for a particular purpose or situation.
6. Noticeable: Easy to see or perceive; conspicuous.
7. Adorable: Extremely pleasing or lovable.
8. Predictable: Able to be foreseen or anticipated.

Final Answer:
\boxed{
\text{See above for completed words and definitions.}
}