He was our designated speaker in the debate but he failed to turn up.
There are various compounds in the environment. It is the sentence using compound word.
Volatile organic compound
"The snowflake was large.""The paintbrush is old."
There is no compound word.A compound word is a word like bus-stop.Husban is spelt like this husband
This sentence is precise. + It is also a compound sentence.= This sentence is precise and it is a compound sentence.
A sentence with a compound word is, He was excited about signing up to play football.
There is no open compound in your question/sentence. An open compound word is a compound word with a space in it, e.g. hang out
The chemist analyzed the compound to determine its chemical composition.
Example: He gave me a benevolent smile, but I only turned away coldly.
We will designate her in the big crowd.
Can you give me a sentence with the word betwitched?
You didn't say if you wanted it used as a verb or noun so here are two sentences.The compound exploded in the test tube.The pharmacist will compound that medication for you.