いっせい一斉isseini
1.

Describes the occurrence of multiple subjects executing an action or reaching a state together at the same time, creating a sense of unity or coordinated effort.

2.

Refers to events or actions happening at the same moment, emphasizing the idea of individuals or groups acting together rather than in a staggered or sequential manner.

3.

Indicates a collective action where participants align in timing and manner, often used in contexts such as competitions or natural phenomena manifesting together.

Example:

人々が一斉に走り出した。

いっせい一斉issei
1.

Describes a situation where multiple entities engage in the same action or exhibit the same condition at the same time, often used in contexts such as events or activities where there is a coordinated effort or response.

2.

Refers to a collective occurrence or action among a group, emphasizing uniformity and synchronicity, often seen in scenarios like group tests or organized gatherings.

3.

Indicates a coordinated operation that involves multiple points or locations, typically in the context of enforcement or regulation, where actions are taken concurrently across different sites.

いっせいけんきょ一斉検挙isseikenkyo
1.

A coordinated operation by law enforcement to apprehend multiple individuals simultaneously, typically targeted at criminal organizations or activities.

2.

A large-scale enforcement action that aims to capture several suspects at once, often resulting in a significant impact on ongoing criminal operations.

3.

An organized effort where police or authorities gather or seize a group of individuals engaged in illegal activities during a specific timeframe.

いっせいしゃげき一斉射撃isseishageki
1.

A coordinated and simultaneous discharge of firearms by a group, typically conducted to increase the impact on a target and create a concentrated barrage of gunfire.

2.

A strategic military tactic where multiple soldiers or units fire together at once, often to overwhelm an enemy or to provide cover during an advance.

3.

The act of unleashing a collective attack from several positions, intended to maximize the volume of fire and create confusion or panic among adversaries.

いっせいそうしん一斉送信isseisoushin
1.

A method of sending a message or information to multiple recipients at the same time, ensuring that all intended recipients receive the same content simultaneously.

2.

The act of disseminating data or notifications in unison to a group, often used in contexts such as email blasts or urgent announcements to reach a large audience efficiently.

3.

A coordinated communication strategy that involves broadcasting information to several individuals or entities at once, commonly employed in mass communication or emergency alerts.