What describes a quality of someone who is unwavering in their beliefs or actions?

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Study for the SAT Vocabulary 2025 Test. Master vocabulary with flashcards and questions, each with detailed explanations. Get ready for your exam!

Steadfastness refers to a quality of being firm and unwavering in one’s beliefs or actions. When someone is steadfast, they demonstrate a strong commitment to their principles and are not easily swayed or discouraged by outside influences. This quality often implies a sense of reliability and consistency, showcasing the individual's dedication to their values over time.

In contrast, indecision implies a lack of certainty or a struggle to make choices, which directly contradicts the notion of being unwavering. Ambivalence indicates having mixed feelings or contradictory ideas about something, leading to a lack of commitment, while passivity suggests a tendency to accept things without taking action, which also deviates from the characteristics of someone who is steadfast. Therefore, steadfastness accurately captures the quality of being resolute and determined in one's beliefs and actions.