[uhp-riv-er] 
| in the direction of or nearer the source of a river: It's hard to paddle a canoe upriver; an upriver settlement of tribes. |
| up·riv·er (ŭp'rĭv'ər) adv. & adj. Toward or near the source of a river; in the direction opposite to that of the current: rowing upriver; upriver rapids. |
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