Baulker is a term that refers to someone who hesitates or refuses to proceed with something. There are several synonyms for this term, including hesitant, resistant, reluctant, wavering, and indecisive. Other similar words include uncooperative, stubborn, obstinate, timid, and fearful. Each of these terms can describe someone who is unwilling to move forward or make a decision. They may be stuck in their ways or have a fear of change. Recognizing these traits in yourself or others can help you find ways to overcome them and move forward with confidence.