Hollow words are often used to describe empty, insincere or meaningless statements. In order to avoid using them, it's helpful to know some synonyms that can convey the same message without resorting to shallow language. Some alternatives to "hollow word" include empty promises, shallow platitudes, meaningless rhetoric, vacuous expressions, trite phrases, or insincere assurances. Other phrases that can convey similar connotations might include "lip service," "empty talk," or "hollow gestures." Using more thoughtful and genuine language can help to build trust and credibility with others, both in personal relationships and in professional settings.