Kyūjitai form of 幼虫 (“larva”)

(entomology) larva / embryo / (entomology) nymph (young worms or young insects in aquatic life)

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

Kyūjitai form of 虫: insect, bug

a bug, insect, worm / a serpent, snake / (figurative): a worm (person living for only one thing) / (derogatory): a worm (despicable person) / a temperament (thought which is in the deep in mind)

childish, immature, young / infant, young child

childhood, infancy / a young child

Synonym of 幼子 (osanago): an infant, young child

(archaic) a young child, infant, toddler

prefixed to a noun: childish, immature, infantile