My resolve is unbreakable.
The sisters' bond was unbreakable. She borrowed one of her sisters' shoes.
The Nokia cellular telephone is unbreakable
We have some unbreakable drinking glasses at home. Emptying the dishwasher this morning, I found out that at least one wasn't.
Her heart was adamantine when it came to that boy. This sentence works because the word means unbreakable or unable to take apart.
Unbreakable
When she beat him it really was a victory for the sisterhood.
The constancy of this witness proved to be unbreakable
The root word for "unbreakable" is "break." In this case, the prefix "un-" is added to the root word "break" to create the word "unbreakable." The prefix "un-" is used to indicate the negation or reversal of the meaning of the root word, in this case, making something unable to be broken.
Synonyms for unbreakable: indestructible everlasting adamantine infrangible durable
robust
You can use the word Truss in a sentence like this.
Can you use the word concluding in a sentence? Done.