What does 親しい mean?
親しい is a Japanese adjective meaning “intimate, close (e.g., friend)” in English. It can also be translated as “familiar (e.g. story), close (relatives)” depending on context. It is written as 親しい in kanji, したしい in hiragana, and shitashii in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
犬は人間の最も親しい友達である。
Dogs are man's closest friends.