(vainly can imply either futilely or for reasons of vanity)
"We tried vainly to have the decision appealed."
"She vainly wears her dark wig and fake eyelashes to school functions."
He vainly attempted to collect the papers blowing in the wind. The party vainly opposed the passage of the amendment.
He vainly acknowledged his ex-wife as he walked past her; he did not want his feelings to show for her.
Vain can have several meanings, so here are a couple of examples.He tried vainly to catch the bus, but ended up walking.She preened vainly in front of the mirror for hours.
The adverb of the word "vain" is vainly.An example sentence is: "she vainly checks her hair again".
Vainly is the act of taking excessive pride in yourself or in the manner of which you do something. An example of this word used in a sentence is "He conducted himself very vainly when he accepted his award".
No, the word 'vainly' is the adverb form of the adjective vain.The abstract noun form of the adjective vain is vanity.
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.
You just did use the word colonize in a sentence.