Infant adjectives are listed in this post. Each word below can often be found in front of the noun infant in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing INFANT.
affected, average, beautiful, bom, born, cradled, dead, dear, delicate, divine, early, faced, fair
fed, feeble, female, first, happy, healthy, helpless, high, highest, holy, human, hungry, individual
innocent, large, little, lovely, lowest, male, mere, naked, new, newborn, normal, old, older
only, other, own, particular, poor, precious, precocious, premature, preterm, puling, royal, same, second
sick, sickly, single, small, stillborn, such, suckling, swaddled, sweet, tender, term, tiny, unborn
unconscious, unfortunate, unhappy, very, white, wretched, young, youngest
Hope this word list had the adjective used with infant you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.