The word "pro-bed" means in favor of something or someone. Therefore, its antonyms are words that denote the opposition or disapproval of the same notion. Some of the antonyms for "pro-bed" are "anti," "against," "opposed," "contrary," "opposite," "hostile," "averse," "unfriendly," "resistant," and "critical." These terms suggest a negative stance or attitude towards a person, idea, or action. For instance, if someone is "anti-smoking," it means that he or she is against smoking or advocating its prohibition. Similarly, if a group is "opposed" to a particular policy or law, it means they take an unfavorable stance towards it.