Able to be submerged.

(Britain) A small nonmilitary, non-nuclear submarine for exploration. / (Britain) A retroactive term used for non-nuclear submarines; nuclear submarines are termed "true submarines".

(physics) Relating to particles that are constituents of the atom, or are smaller than an atom; such as proton, neutron, electron, etc.

(intransitive) To sink out of sight. / (transitive) To put into a liquid; to immerse; to plunge into and keep in. / (transitive, figuratively, in the passive) To engulf or overwhelm.

Charming, confident and elegant.

Sweet talk.

To overcome, quieten, or bring under control. / To bring (a country) under control by force.

(of a temperature) below 0°C; freezing cold

under, beneath / subsidiary, secondary / almost, nearly

(philosophy, literary) From the viewpoint of eternity.