<p><strong>Adjective</strong></p><ul><li>Cautious in one's actions: Be careful when you cross the street.</li><li>Taking pains in one's work; exact; thorough: A careful typist.</li><li>(Of things) Done or performed with accuracy or caution: Careful research.</li><li>Solicitously mindful (usually followed by of, about, or in): Careful of the rights of others; careful about one's behavior; careful in speech.</li><li>Archaic: Full of anxiety or care; troubled.</li><li>Causing or attended with anxiety: A careful day.</li></ul><p><strong>Synonyms</strong></p><ul><li>Circumspect</li><li>Chary</li><li>Guarded</li><li>Watchful</li><li>Scrupulous</li><li>Meticulous</li><li>Regardful</li><li>Heedful</li><li>Attentive</li><li>Solicitous</li><li>Concerned</li><li>Thoughtful</li></ul><p><strong>Antonyms</strong></p><ul><li>Careless</li></ul>