The term "baby bleater" is a derogatory phrase used to describe someone who is excessively whiny or complains a lot. There are many synonyms for this term that can be used instead, depending on the context. For example, you could use "crybaby," "whiner," "complainer," "moaner," or even "wimp." These all convey a similar sentiment of someone who is overly sensitive or easily upset. It's important to be mindful of using derogatory language like "baby bleater," and to choose words that aren't hurtful or offensive. By using more neutral language, we can communicate more effectively without causing unnecessary harm.