What does しんどい mean?
しんどい is a Japanese adjective meaning “tired; frazzled” in English. It can also be translated as “tiresome” depending on context. It is written as しんどい in hiragana, and shindoi in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
アメリカの尻馬に乗るなというセリフに正面から反論するのが、どれほどしんどいことだったことか。
Just how tiresome was it to argue straight against the phrase "Don't blindly follow America's lead!"