The term 'out-bloomed' is an uncommon word that requires more context to determine antonyms correctly. However, the term can be broken down into two parts, 'out' and 'bloomed.' 'Out' can be considered as 'not in' or 'hidden,' while 'bloomed' can be replaced with 'faded' or 'wilted.' Hence, some antonyms for 'out-bloomed' may include 'in-bloom,' 'fresh,' 'uplifted,' or 'blossoming.' These synonyms indicate that the subject is currently thriving, full of life and beauty, have not undergone any withering, or has not passed its prime. Overall, the antonyms of 'out-bloomed' can represent the potentials for growth, vibrancy, and freshness.