Upskilling is the process of acquiring new skills or improving existing ones to enhance job performance and increase marketability. There are various synonyms to upskill, including reskill, retrain, uptrain, acclimate, adapt, polish, and refine. Reskilling pertains to learning new or different skills to change careers. Retraining involves acquiring new skills to adjust to changes in the job market. Uptraining improves skills to enhance job performance. Acclimating or adapting is the process of adjusting to a new work environment or role. Polishing or refining skills involves honing existing skills to improve performance. Regardless of the term used, staying relevant and competent in the job market requires continuous learning and development.