につき

Freq.FrequencyTop 10,000

Meanings

expression

because of; due to; on account of

usually written using kana alone

Formal or written expression indicating reason or cause. Often used in notices, announcements, and formal explanations.

本ほん日じつは祝しゅく日じつに付つき、休きゅう業ぎょうさせていただきます。
We are closed today due to the public holiday.
工こう事じ中ちゅうに付つき、ご迷めい惑わくをおかけします。
We apologize for the inconvenience due to construction work.

expression

about; regarding; concerning

usually written using kana alone

Formal equivalent of について. Used in written language or formal speech to indicate a topic.

Grammar

につきper; because of (on notices)N3

Kanji

付adhere, attach, refer to
就concerning, settle, take position

Related words· 6

についてN5sense 2
について is the everyday, neutral way to say 'about/regarding', while に付き is a stiffer, written equivalent used in notices and formal documents.
によって sense 1
によって expresses cause or means in ordinary speech and writing, whereas に付き in its 'because of' sense is confined to formal notices.
ごとに sense 3
ごとに is the plain way to say 'per/each', matching に付き's distributive 'per' sense but without its formal, business-document tone.
ためN4sense 1
為（ため）is the common, everyday word for 'because of/for the sake of', while に付き conveys the same reason-sense but sounds official and written.

Show 2 more

ぱ
につき is the formal, written equivalent of ぱ, used in official notices and documents rather than casual speech.
に関かんし
につき can mean 'concerning' in formal notices much like に関し, but it also has a separate 'per' meaning that に関し lacks.

Written forms

に付つき
Standard kanji spelling for the expression; the kana form につき is also very common.
に就つき
rarely-used kanji form
Rarely used kanji form; learners should prefer に付き or につき.

Etymology

Derived from the verb 付く (つく, 'to be attached') in its continuative form 付き, combined with the particle に. The expression developed from the idea of 'being attached to' a reason or topic, giving rise to the formal usages 'because of', 'regarding', and 'per'.