Institution: Bangladesh Public Service Commission (BPSC) Exam: 18th BCS Question with Answer
Topic: Idioms & Phrases, Subject: English Grammar (ইংরেজি গ্রামার)

Best Answer Explained in Below-:

The word "infringe" generally means to violate or encroach upon someone else's rights, privileges, or freedoms. It can imply breaking a law, rule, or agreement. In analyzing the options provided:

A) "Intrude" refers to entering a place or situation where one is unwelcome, which can relate to infringement but lacks explicit legal or rights implications.

B) "Transgress" means to go beyond a boundary or limit, particularly in a moral or legal context. It denotes a violation or breach of laws or rules, aligning closely with the meaning of "infringe."

C) "Purloin" specifically relates to theft, meaning to steal something, which doesn't appropriately capture the broader sense of violating rights or regulations.

D) "Invade" can suggest entering a territory with force but does not inherently imply the violation of personal rights, making it less relevant to "infringe."

Given these meanings, "transgress" (B) is the best fit because both words encapsulate the idea of violating rules or boundaries, making them synonymous in this context.