The word 'un-settled' connotes uncertainty, instability, and changes. Antonyms for un-settled, on the other hand, are words that suggest stability, firmness, and assurance. Words like 'firm,' 'stable,' 'secure,' 'settled,' 'certain,' 'fixed,' 'permanent,' 'calm,' 'peaceful,' and 'steady' represent antonyms of un-settled. These words denote a sense of balance, consistency, and reliability, indicating a state of being constant and unchanging. When something is settled, it means there's a sense of firmness and assurance, while unsettlement connotes the exact opposite. Therefore, a word's antonym is an excellent way to convey meaning and add depth to writing or speech.