Not on the agenda; not of importance; not of current importance.

The Neolithic period.

Not tropical; not characteristic of or located in the tropics.

(medicine) Coeliac disease.

A new leader or management.

(In both the 12-hour clock and the 24-hour clock) The start of the tenth hour of the day; 9:00 a.m. (09:00).

Not glutinous; without gluten.

A matter of no concern, especially one that had been of concern.

(idiomatic, informal) Stay awake throughout the night, usually when working or studying.

(taxonomy) The name by which an organism or group of organisms is known to the general public, rather than its taxonomic or scientific name.