1. Joined together; combined; such as, the conjunctive focus of political opposition to the new bill.
2. Forming a connection or combination of things.
3. In grammar, connecting elements of meaning and construction that connects words, phrases, clauses, or larger units of discourse or meaning within sentences; such as, "and" and "since", or between sentences, as "therefore".
4. A connective word, especially a conjunction or conjunctive adverb.

1. A symbiosis (relation between two different species of organisms that are interdependent and each gains benefits from the other) characterized by the bodily union between the symbionts or one of two different organisms that live together.
2. Ordinarily symbiosis where the association is advantageous, or often necessary, to one or both, and not harmful to either.
3. When there is a bodily union in extreme cases so close that the two form practically a single body, as in the union of algae and fungi to form lichens, and in the inclusion of algae in radiolarians (any of various marine protozoans of the group Radiolaria, having rigid skeletons usually made of silica).

A job or work-situation in which a group's achievement is restricted by the performance of its less resourceful members.

1. The integrated management and use of surface water and groundwater.
2. A description of the practice of storing surface water in a groundwater basin in wet years and withdrawing it from the basin in dry years.