Junkier is a term that refers to something or someone who is of low quality or value. Antonyms for the word junkier could include words such as "luxurious," "high-quality," "refined," "elegant," "opulent," "sophisticated," "polished," or "posh." These words all suggest a level of elegance and high-class that is the complete opposite of anything considered junky. Something that is classified as luxurious or high-quality is considered to be worth the investment and will last a long time, unlike something that is junky, which is considered disposable and quickly discarded.