There was frost on the ground
Congratz... You just did!!! How can you use frost in a sentence?
If you don't protect the plants from frost it will die.
The north pole and the south pole are in the iciest parts of the world.
In the sense that a phrase is a set of words that conveys a meaning, yes. "The frost was sharp." is a complete sentence. If you are using the term "phrase" to mean "an incomplete sentence" then, of course, it is not incomplete so, you should find a different word to describe it.
You can use the word Truss in a sentence like this.
Can you use the word concluding in a sentence? Done.
Just use it! Or do you mean, can you use the word beheld in a sentence.
"I thought I thaw a puddy tat.." I did, I did thee a puddy tat... or wait five minutes for the chicken to thaw after you take it out of the freezer.
How do you use the word decibel in a sentence?What is decibel used for?
You can use the word Terrorist in a sentence as " Muslims are not terrorist ".
You just did use the word colonize in a sentence.
Since that is not a word I would not attempt to use it in a sentence.