(physiology) Of a stimulus: below the limen or threshold of conscious perception, especially if still able to produce a response; also (generally), below the threshold where a response can be produced.

(physiology) Chiefly preceded by the: something which is below the limen or threshold of conscious perception. / (psychology) Chiefly preceded by the: the subconscious (dated) or unconscious self.

Conquered; overpowered; crushed; submissive. / Not glaring in color; soft and light in tone.

simple past tense and past participle of subdue

A sandwich made on a long roll split lengthwise.

any of the headings under which each of the main divisions of a subject may be subdivided

Of a lower rank or position; inferior or secondary; especially (military) ranking as a junior officer, below the rank of captain.

A subordinate. / (Britain, military) A commissioned officer having a rank below that of captain; a lieutenant or second lieutenant.

(transitive, property law) To grant a sublease out of property held under a lease.

(property law, real estate, informal) Synonym of sublease.