It's not in my blood to be unreliable.
Your an unrelieable, mean person.
The boat's hull was unreliable (I couldn't rely on it) so it sunk.
Catherine is very "unreliable", she is never there when I need her help.
Jo did not trust her friend because she heard rumours about her being unreliable.
The painter we hired last summer was very unreliable and never finished the job.
The polygraph test is not "proof-positive". The polygraph test is not completely unreliable.
His loyalty can rightfully be described as unreliable.
Can you use the word concluding in a sentence? Done.
You can use the word Truss in a sentence like this.
Just use it! Or do you mean, can you use the word beheld in a sentence.
How do you use the word decibel in a sentence?What is decibel used for?
Since that is not a word I would not attempt to use it in a sentence.