<p><strong>Verb (used with or without object):</strong></p><ul><li>to change from a soft or fluid state to a rigid or solid state, as by cooling or freezing: The fat congealed on the top of the soup.</li><li>Synonyms: solidify, jell, set, harden.</li><li>to curdle; coagulate, as a fluid.</li><li>to make or become fixed, as ideas, sentiments, or principles: Some philosophic systems lost their vitality and congealed.</li></ul>