One possible synonym for calcitrations could be resistance, as both words suggest a reluctance or opposition to movement or change. Another similar term might be obstinacy, which refers more specifically to a stubbornness or inflexibility that can make progress difficult. Alternatives could include defiance, disobedience, or even rebellion, all of which imply a challenging or questioning of authority or established norms. Depending on the context, terms like hesitation, delay, or procrastination could also be seen as related concepts, suggesting a lack of decisive action or movement towards a desired outcome.