The spelling of the word "un dear" can be a bit tricky. It is pronounced /ʌn ˈdɪər/, with a stress on the first syllable. The prefix "un" means "not," and "dear" means "precious or beloved." So, the word as a whole means "not beloved" or "not precious." The spelling follows the typical English pattern of using the prefix "un" to indicate negation. It is important to pay attention to the spelling and pronunciation of this word to avoid confusion with similar sounding words like "under" or "undo."