The phrase "unlicked cub" has a negative connotation, as it refers to someone who is inexperienced, uncivilized, and rude. There are several synonyms for this phrase that can also convey a similar meaning. For instance, the term "greenhorn" suggests someone who is new and inexperienced, whereas the term "boorish" refers to someone who is rude and uncultured. Other synonyms for "unlicked cub" include "uncouth," "naive," "callow," and "raw." These words all suggest a lack of polish, refinement, and education. It is important to use language thoughtfully and carefully, as these words can be hurtful and judgmental.