式（しき、shiki）
- ceremony / style

The Japanese word 式式 generally translates to "ceremony," "style," "formula," or "form." Its specific meaning varies depending on the context in which it's used. It can refer to a formal event, a way of doing something, or a mathematical or logical expression.

⚫︎ 入学式 Translation: Entrance ceremony ⚫︎ 結婚式 Translation: Wedding ceremony ⚫︎ 計算式 Translation: Calculation formula

The usage of 式式 depends heavily on the context: ⚫︎ When referring to a "ceremony" or "event," use it in words like 入学式式 (entrance ceremony), 卒業式 (graduation ceremony), or 結婚式 (wedding ceremony). ⚫︎ When describing a "style" or "form," it can appear in phrases like 日本式 (Japanese style), 公式 (official), or when describing a particular method. ⚫︎ In mathematics or science, 式 refers to a "formula" or "equation," such as a mathematical expression.

式式 is primarily written using kanji. The reading is しき in hiragana. There are no other common ways to write this word. The okurigana is usually not present; it's just 式式.

The synonyms for 式式 vary based on context: ⚫︎ For "ceremony": 儀式 (ぎしき - ceremony, rite), 典礼 (てんれい - rite, liturgy) ⚫︎ For "style" or "form": 方法 (ほうほう - method), やり方 (やりかた - way of doing) ⚫︎ For "formula": 数式 (すうしき - mathematical formula), 表現 (ひょうげん - expression)

The antonyms for 式式 also vary depending on the specific meaning being considered. However, there isn't a single direct antonym that applies to all of its meanings.

明日、高校の卒業式があります。 ・Translation: Tomorrow, there will be a high school graduation ceremony. ・Explanation: This sentence uses 式式 to refer to the graduation ceremony.

この問題の解き方は、この式を使います。 ・Translation: To solve this problem, use this formula. ・Explanation: In this example, 式式 means "formula" or "equation."

The kanji 式式 combines the elements of 戈 (ほこ - spear) and 工 (こう - work). Its etymological roots suggest a connection to rules, methods, and a standard way of doing things.