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From The Collaborative International Dictionary of English v.0.48:
global \glob"al\ adj. 1. involving the entire earth; not limited or provincial in scope; as, global war; global monetary policy. Syn: planetary, worldwide. [WordNet 1.5] 2. shaped like a globe; spherical. Syn: ball-shaped, globose, globular, orbicular, spheric, spherical. [WordNet 1.5] 3. broad in scope or content; comprehensive. Opposite of noncomprehensive. Syn: all-embracing, all-inclusive, across-the-board, blanket(prenominal), broad, complete, panoptic, wide. [WordNet 1.5] 4. (Computers) Accessible and effective throughout an entire computer program, rather than in only one subroutine; -- used of variables; as, global variable. Opposite of local. [PJC]