1.Simple antonyms–  Correct, Incorrect. 

• Answer choice b is correct.
• Answer choice b is incorrect. 

One of these sentences must be true and the other must be false.  They can’t both be false because answer choice b has to be either true or false.  This shows that correct and incorrect are simple antonyms.

 

2. Gradable antonyms–  Easy, Difficult.  

• This exam is easy.
• This exam is difficult. 

One of these sentences may be true, or they may both be false.  A student can find an exam to be easy, difficult, or somewhere in between, making easy and difficult gradable antonyms.  

 

3. Reverses– Build, Dismantle.

• My brother built a sand castle.
• My brother dismantled a sand castle.

Build and Dismantle are a reverse pair because something is either built or dismantled.  

 

4. Converses– Buy, Sell

• X bought the car from Y = Y sold the car to X.

These words express the same relation, but with the positions reversed.  In any scenario where someone bought an item, there is someone that sold the item.  Similarly, in any scenario in which someone sold an item, there is someone that bought the item.  This means that the words buy and sell are a converse pair.  

5. Taxonomic sisters– Apple, Banana

                             Fruit

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Apple     Banana

Apple and Banana are taxonomic sisters because they are both types of fruit.  These two hyponyms share the same hyperonym.