随ずい時じ

ず

い

じ

Common wordFreq.FrequencyTop 10,000

Meanings

as needed; whenever necessary; on demand

Used for actions taken flexibly in response to circumstances, without a fixed schedule. Common in instructions, announcements, and formal contexts.

質しつ問もんがあれば随ずい時じ受うけ付つけます。
We accept questions at any time as they arise.
資し料りょうは随ずい時じ更こう新しんされます。
The materials are updated as needed.

adverb

at any time; at all times

Emphasizes continuous availability or constant readiness, often in formal or written contexts. Slightly less common than the 'as needed' sense.

当とう店てんは随ずい時じご来らい店てんをお待まちしております。
We welcome your visit at any time.

See all 11 example sentences ›

Usage patterns

〈事こと〉を随ずい時じ受うけ付つけるto accept (applications, inquiries, etc.) at any time
このイベントの参さん加か申もうし込こみは随ずい時じ受うけ付つけています。
Applications to join this event are being accepted on an ongoing basis.
〈事こと〉を随ずい時じ更こう新しんするto update (information) as needed
最さい新しん情じょう報ほうは随ずい時じ更こう新しんいたします。
The latest information will be updated as needed.
随ずい時じ開かい催さいするto hold (an event, session) whenever necessary
説せつ明めい会かいは随ずい時じ開かい催さいしております。
Information sessions are held whenever there is demand.
随ずい時じ対たい応おうするto respond/handle (requests, issues) as they arise
お客きゃく様さまからのご質しつ問もんには随ずい時じ対たい応おういたします。
We will respond to customer questions as they come in.

Kanji

随follow, though, notwithstanding
時time, hour

Related words

適てき宜ぎN1sense 1
随時 means doing something whenever the need arises, while 適宜 means doing something at one's own appropriate judgment, often overlapping but emphasizing suitability rather than timing.
常じょう時じ sense 2
随時 in its 'at any time' sense implies continuous availability similar to 常時, but 常時 more strongly emphasizes an unbroken, constant state rather than on-demand access.
随ずい意い sense 1
随時 focuses on flexible timing (as needed), while 随意 focuses on free choice or discretion (as one likes), so they overlap but stress different aspects.

Opposites

定てい期き的てきN2sense 1
随時 means happening as needed without a fixed schedule, whereas 定期的 means happening regularly at set intervals.
定てい時じ
随時 means 'at any time, whenever needed,' the opposite of 定時, which specifies a fixed, predetermined time.
常じょう時じ
随時 means 'as needed' or 'from time to time', the opposite of 常時, which describes something continuous or always available.

Don't confuse with

臨りん時じN2sense 1
随時 describes something done flexibly whenever necessary, while 臨時 describes something temporary or special that departs from the regular schedule for a one-time reason.
随ずい意い
随時 means 'at any time, as needed', while 随意 means 'voluntary, at one's discretion'; the two share the kanji 随 and are easily mixed up.
随ずい所しょ
随所 refers to place ('everywhere'), while 随時 (written with the same first kanji) refers to time ('at any time, as needed').

Etymology

Compound of 随 (following, according to) and 時 (time), literally 'following the time' or 'according to the occasion'. The exact historical derivation is uncertain, but the meaning has been stable in modern Japanese.