The phrase "without belief" can be replaced with a wide range of synonyms, each with its own slight variation in meaning. Some possible options include "unconvinced," "skeptical," "doubtful," "disbelieving," "unfaithful," "irreligious," "unconcerned," "indifferent," and "agnostic." These terms suggest different degrees of distance from belief, ranging from outright rejection to simple apathy or lack of concern. Depending on the context, each synonym may be more or less appropriate, and it is important to choose the term that best reflects the speaker's intended tone and emphasis.