同期 (どうき, douki) Japanese meaning: same period | Kotomora

同どう期き

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Common wordJLPTN3Freq.FrequencyTop 10,000

同期する · noun or participle which takes 'suru'

Meanings

noun, noun which may take the genitive case particle 'no'

same period; corresponding period

Often used in comparison phrases such as 前年同期, meaning the corresponding period in another year or term.

同期する is used both transitively, as in データを同期する ('to sync the data'), and intransitively, as in データが同期する ('the data syncs/becomes synchronized').

同どう時じ期き sense 1
同時期 broadly means 'around the same time' in everyday contexts, while 同期 is the fixed term used in set comparisons like 前年同期.
同どう期き生せい sense 2
同期生 explicitly refers to the people themselves in a cohort, while 同期 can also mean the abstract relationship of being in the same intake.
同どう期き化か sense 3
同期化 is a more explicitly technical noun for synchronization, while 同期 is shorter and doubles as a する-verb like データを同期する.
同どう級きゅう生せいN1sense 2
同級生 specifically means a schoolmate in the same grade, whereas 同期 also covers workplace hires from the same year.

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シンクロナイズ
同期 is the native Japanese technical term for synchronization, while シンクロナイズ is a loanword with a more casual or media-oriented feel.
同どう級きゅうN1
同期 refers to people who joined an organization or started something (like a job or school) at the same time, whereas 同級 specifically means being in the same grade or class.

非ひ同どう期き sense 3
非同期 means 'asynchronous', the direct technical opposite of 同期 ('synchronized') when talking about data or processes.

同どう僚りょうN3
同期 refers to a colleague who joined the same company or organization in the same year, whereas 同僚 just means any coworker regardless of when they joined.
動どう機きN2
動機 (motive) and 同期 (synchronization; a colleague who joined at the same time) are pronounced identically but have completely unrelated meanings.
同どう時じ期き
同期 usually means people who joined or graduated in the same year (or technical 'synchronization'), whereas 同時期 simply means 'the same period of time' in a general sense.

非ひ同どう期き
asynchronous
同どう期き生せい
classmate; person in the same year group · sumo wrestler who debuted in the same tournament
同どう期き会かい
class reunion; gathering of classmates
同どう期き元もと
synchronization source

Sino-Japanese compound from 同, 'same,' and 期, 'period, term.' The computing sense extends the idea of matching periods or timing to synchronization.