unfavorable

adj.

1. Likely to be a hindrance; disadvantageous: unfavorable winds.
2. Having or showing opposition; adverse: an unfavorable reaction to our proposal.

unfavorableness un·fa'vor·a·ble·ness n.
unfavorably un·fa'vor·a·bly adv.

adjective

1. Tending to discourage, retard, or make more difficult: adverse, disadvantageous, negative, unadvantageous, unsatisfactory, untoward. See help/harm/harmless.
2. Bringing, predicting, or characterized by misfortune: bad, evil, ill, inauspicious, unpropitious. See luck/misfortune/chance.

adj

Definition: very bad
Antonyms: favorable, friendly, good, nice

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IN BRIEF: Likely to make difficult. Also: Showing disapproval.

Conditions are unfavorable for hiking when it is raining or threatening to rain.

Note: click on a word meaning below to see its connections and related words.

The adjective has 3 meanings:

Meaning #1: not encouraging or approving or pleasing
  Synonym: unfavourable
  Antonym: favorable (meaning #2)

Meaning #2: (of winds or weather) tending to hinder or oppose
  Synonym: unfavourable
  Antonym: favorable (meaning #3)

Meaning #3: not favorable

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