ad·verse (ăd-vûrs, ădvûrs′)
1. Acting or serving to oppose; antagonistic: adverse criticism.
2. Contrary to one's interests or welfare; harmful or unfavorable: adverse circumstances.
3. Moving in an opposite or opposing direction: adverse currents.
[Middle English, from Old French advers, from Latin adversus, past participle of advertere, to turn toward : ad-, ad- + vertere, to turn; see wer-2 in the Appendix of Indo-European roots.]
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