English Synonyms Practice Test 3

Insult : speak to or treat with disrespect or scornful abuse.
Frustrate : prevent (a plan or attempted action) from progressing, succeeding, or being fulfilled.
Defame : damage the good reputation of (someone); slander or libel.
Antagonise : cause (someone) to become hostile.
Baffle : restrain or regulate (a fluid, sound, etc.).

Synonym of Baffle is Frustrate