蝉（せみ、semi）
- cicada

The word 蝉 （せみ） refers to a cicada, a type of insect known for its loud buzzing sound, especially during the summer. They are commonly found in Japan and are a familiar sound and symbol of the hot summer months. Cicadas spend most of their lives underground as nymphs, and emerge as adults to mate and reproduce.

⚫︎夏になると、蝉が鳴き始める。 Translation: When summer comes, cicadas begin to sing. ⚫︎公園の木に蝉の抜け殻がたくさんあった。 Translation: There were many cicada shells on the trees in the park.

This word is used to describe the insect itself and can also be used figuratively to evoke the feeling of summer, heat, and the characteristic buzzing sound of the cicada. You would use it in conversations about nature, seasons, and outdoor activities during the summer.

⚫︎ The word is primarily written in kanji as 蝉. ⚫︎ The hiragana reading is せみ. ⚫︎ There are no common variations in okurigana.

There aren't many direct synonyms for 蝉 itself, but related words could be: ⚫︎ セミ (katakana version of 蝉) - this is a common way to write it as well. ⚫︎ 虫 (むし) - insect, more general.

There aren't direct antonyms for 蝉, but you could consider: ⚫︎ 冬 (ふゆ) - winter, as cicadas are most active in summer.

夏の暑い日には、蝉の声が響き渡る。 ・Translation: On hot summer days, the sound of cicadas echoes everywhere. ・Explanation: This sentence describes the sound of cicadas and how it's associated with summer.

庭の木に蝉がとまっている。 ・Translation: A cicada is perched on the tree in the garden. ・Explanation: This sentence describes the location of a cicada.

The etymology of 蝉 is not definitively known, but it is believed that the word likely imitates the insect's sound. The kanji 蝉 is a phonetic compound. The left side, 虫 (むし) , indicates it is an insect, and the right side, 单, provides the sound element. The precise origin of the sound element is debated.