Definitionsregional note: in BRIT, use unfavourable
Unfavorable conditions or circumstances cause problems for you and reduce your chances of success.
⇒ The decision to delay the launch stems from unfavorable weather conditions.
⇒ The whole international economic situation is very unfavorable for the countries in
If you have an unfavorable reaction to something, you do not like it.
⇒ The president is drawing unfavorable comments on his new forest policy.
⇒ ...views unfavorable to the capitalist system.
) adverb [ADV after v]
⇒ Other medications or foods may react unfavorably with it.
3. adjective [ADJ n]
If you make an unfavorable comparison between two things, you say that one thing seems worse than the other.
⇒ I didn't expect unfavorable comparisons between my sons and their friends.
unfavorably adverb [ADV with v]
⇒ Tax rates compare unfavorably with the less heavy-handed North American agreement.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers