菊（きく、kiku）
- chrysanthemum

The word 菊 (菊) primarily refers to the chrysanthemum flower. It is a very common and culturally significant flower in Japan, often associated with autumn and longevity. It can also refer to things that are shaped like the flower or have characteristics of it, although the primary meaning is the flower itself.

⚫︎菊の花 Translation: Chrysanthemum flower ⚫︎菊の紋 Translation: Chrysanthemum crest (a symbol of the Japanese Imperial Family) ⚫︎菊の節句 Translation: Chrysanthemum Festival (a traditional Japanese festival held on the ninth day of the ninth month)

You would use 菊 (菊) when talking about chrysanthemums. It can be used in general conversation about flowers, in more formal contexts when discussing the Imperial family or historical events, or when describing something that has a chrysanthemum-like appearance or association.

The word 菊 (菊) is most commonly written using the kanji 菊. It's also possible to write it in hiragana as きく, especially for children or in informal writing. There are no significant variations in okurigana (the suffix hiragana).

There are no direct synonyms for the word 菊 (菊) that specifically refer to the chrysanthemum. However, you could use more general terms for flowers, such as 花 (hana - flower), to refer to the 菊. Also, terms related to flowers.

There aren't really antonyms for the word 菊 (菊) since it's a specific flower. You could say other flower names are "antonyms" of sorts.

庭にはたくさんの菊が咲いている。 ・Translation: Many chrysanthemums are blooming in the garden. ・Explanation: This sentence simply states that there are many chrysanthemums blooming in the garden, using 菊 (菊) to specify the type of flower.

天皇家の紋は菊です。 ・Translation: The Imperial Family's crest is the chrysanthemum. ・Explanation: This sentence uses 菊 (菊) in its cultural context, referring to the chrysanthemum crest of the Japanese Imperial Family.

The etymology of 菊 (菊) comes from the Chinese word 菊 (jú), which also means chrysanthemum. The kanji was adopted into Japanese along with the Chinese writing system. The word has been used in Japan for centuries and has a strong association with the imperial family due to the flower being their symbol.