同時（どうじ、douji）
- at the same time

The Japanese word 同時 （どうじ） means "at the same time," "simultaneous," or "concurrent." It describes two or more events, actions, or states happening or existing simultaneously. The concept emphasizes the temporal overlap or co-occurrence of these elements. The word highlights that things are not happening one after another, but rather together. The meaning is very close to "at the same moment."

⚫︎試験と卒業式が同時に開催されます。 Translation: The exam and the graduation ceremony will be held at the same time. ⚫︎私たちは同時に夕食を食べ、テレビを見ました。 Translation: We ate dinner and watched TV at the same time. ⚫︎このプロジェクトは、複数の部署が同時に協力して進めています。 Translation: This project is being advanced with multiple departments cooperating simultaneously.

⚫︎同時 is a versatile word, and can be used in various contexts. ⚫︎It's frequently used in formal and informal situations. ⚫︎It's useful when describing events, actions, or processes that are happening concurrently. ⚫︎You can use it to emphasize that things are happening "at the same time" or "simultaneously."

⚫︎The word is typically written with the kanji 同時. ⚫︎The reading is どうじ in hiragana. ⚫︎There are no other common ways to write this word. ⚫︎The okurigana (suffix hiragana) is always written with 時, so no variations exist.

⚫︎同時に（どうじに) - "at the same time," similar to 同時 but often used as an adverb. ⚫︎同時に起こる (どうじにおこる) - "to happen at the same time" (more descriptive) ⚫︎同時進行（どうじしんこう) - "simultaneous progress/advancement".

⚫︎別々 (べつべつ) - "separately", "individually." ⚫︎順番に（じゅんばんに) - "in order", "sequentially." ⚫︎後に (のちに) - "later".

会議と発表は同時に始まりました。 ・Translation: The meeting and the presentation started at the same time. ・Explanation: This sentence illustrates that two events (the meeting and presentation) began simultaneously, using the concept of 同時.

彼は二つの仕事を同時に進めています。 ・Translation: He is working on two jobs at the same time. ・Explanation: This sentence explains a situation where someone is managing two tasks concurrently, emphasizing the meaning of 同時.

同時 is formed from two kanji. 同 (どう) means "same," and 時 (じ) means "time." Therefore, the literal meaning is "same time" or "at the same time."