childless

词形变化：

副词: childishly | 名词: childishness |

同义词：

childlike | infantile | immature | juvenile | babyish | silly | foolish | unfledged | sophomoric | tender | jejune | unsophisticated | green | callow | girlish | infantine | stupid | boyish | naive | puerile | unintelligent | idiotic | crackbrained | nonsensical | adolescent | asinine | half-witted | absurd | imbecilic | witless | senseless | baby | youthful | innocent | ingenuous | irresponsible | self-indulgent |

反义词：

adult |

词义辨析：

同义参见:

barren