formerly / simultaneously, at once.

During sequentially discrete instances.

Simultaneously. / On the other hand (introducing an opposing viewpoint).

In a single, continuous period of time. / Simultaneously at each occurrence (of some action).

Under discussion. / In disagreement.

(idiomatic) Mutually misunderstanding each other's plans, intentions or meanings.

Clupea harengus, an abundant species of herring and an important food fish living in the North Atlantic.

atmospheric

(UK) Alternative form of all cats are grey in the dark

(US) Alternative form of all cats are grey in the dark