Answer:
Impinge - strike .
Garrulous - loquacious.
Pious - religious.
Ruinous- dilapidated.
Explanation:
Synonyms are those words that have the same meaning as the base word. They are just another word for the same meaning, allowing for the use of a different word to refer to the same meaning.
The synonyms of the given words are as follows-
Impinge is used when there is some impact, an effect that is more of the negative side.
Garrulous is someone who is talkative, who talks a lot. So, another word for this same word is loquacious.
A pious person is someone who is religious, devoted.
Ruinous is something that suggests something that is on the way to ruin, dilapidated, demolished, or getting worse.