Types of Context Clues

The dog gave a stern and threatening look towards the other animals.

What type of context clue is used to help you to understand threatening?

Based on the context clues, what does the bolded word mean?

The dog gave a stern and threatening look toward the other animals.

Dinosaurs have been extinct for over a million years; they no longer exist.

What type of context clue is used for extinct?

What would be a synonym for extinct based on the sentence below.

Dinosaurs have been extinct for over a million years; they no longer exist.

What type of context clue is used in the sentence below?

Studies show that COVID-19 has changed and is a mutated version of a SARS.

Based on the sentence below, what is antonym for mutation?

Studies show that COVID-19 is a mutation from the previously known disease, SARS.