Dictionary:

hypotensive

  (hī'pə-tĕn'sĭv)

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1. Of or characterized by hypotension.
2. Causing a reduction in blood pressure: a hypotensive drug.

A person with or susceptible to hypotension.

1. Of or characterized by low blood pressure.
2. Causing a reduction in blood pressure.

1. characterized by or causing diminished tension or pressure, as abnormally low blood pressure.
2. an animal with abnormally low blood pressure.

• h. shock — see hypovolemic shock.

The adjective has one meaning:

Meaning #1: having abnormally low blood pressure
  Antonyms: normotensive (meaning #1), hypertensive (meaning #1)