In a manner that flows or moves against the main current or prevailing direction; in opposition to the dominant trend or force.
From countercurrent + -ly (adverb suffix). This adverb form allows countercurrent to modify verbs and describe actions performed in opposition to the mainstream or expected direction.
This is the kind of rare adverb that scientists and philosophers love—it perfectly captures the idea of swimming upstream, whether literally in a river or metaphorically in life, and suggests a deliberate, sustained action against resistance.
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