adverse

Example:The situation is unfavorable for both parties.

Definition:not favorable; not advantageous

Example:The new policy was deemed disadvantageous for the workforce.

Definition:having an unfavorable effect; detrimental

Example:High doses of radiation are harmful to health.

Definition:damaging or injurious in some way

Example:The weather was unpropitious for the outdoor festival.

Definition:not promising success, advantage, or favorable results

Example:The proposal was met with opposition from various stakeholders.

Definition:resisting or opposing something, especially something that is beneficial or advantageous

Example:The remarks were highly antagonistic towards the other party.

Definition:showing, feeling, or involving active opposition or hostility; hostile