(nautical) The situation in which a watercraft is floating or proceeding in a smooth and level manner. / (idiomatic, of emotions, etc.) The state or characteristic of being under control and balanced.

(colloquial) Nervous; worried.

A restrained or subdued situation. / (photography) A dark area of a photograph with little contrast.

(informal) Alternative spelling of low-key

(databases) A column (or group of columns) in a relational table that identifies another table, so that items in the two tables can be conceptually linked.

Alternative spelling of even keel

(idiomatic) A core accuracy at the heart of a claim or narrative which also contains dubious or fictitious elements.

Quickwitted.

Alternative form of tempest in a teapot

To never release someone (e.g., from prison).