CBA is an acronym that stands for "can't be bothered." It refers to a lack of motivation or interest in doing something. There are several synonyms for CBA that can be used to express the same sentiment. Some examples include "apathy," "indifference," "disinterest," "laziness," and "lethargy." Other possible synonyms include "unconcerned," "unmotivated," "idle," "uncommitted," and "disinclined." These words all describe a lack of energy or enthusiasm towards a particular task or activity, and can be used interchangeably with CBA to convey a similar feeling to others.