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being below an optimal level or standard.


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  • Suborbital

    adjective 1. (of a spacecraft) not in orbit; not achieving an altitude and velocity resulting in a ballistic trajectory circling the earth at least once. 2. Anatomy. situated below the orbit of the eye. adjective 1. (of a rocket, missile, etc) having a flight path that is less than one complete orbit of the earth […]

  • Subord.

    subord. subordinate

  • Suborder

    noun, Biology. 1. a category of related families within an order. noun 1. (biology) a taxonomic group that is a subdivision of an order suborder sub·or·der (sŭb’ôr’dər) n. A taxonomic category ranking between an order and a family. suborder (sŭb’ôr’dər) A taxonomic category of related organisms ranking below an order and containing one or more […]

  • Subordinacy

    adjective 1. placed in or belonging to a lower order or rank. 2. of less importance; secondary. 3. subject to or under the authority of a superior. 4. subservient or inferior. 5. subject; dependent. 6. Grammar. acting as a modifier, as when I finished, which is subordinate to They were glad in They were glad […]

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