ベビーbebii

1. nounbaby
   しばらくの間あいだ、ベビーをみていてね。↗

   Keep an eye on the baby for a while.

• Synonym赤子あかごWrittenA written-style word for a baby, often met in set phrases like 「赤子の手をひねる」. In everyday speech a baby is 「赤ちゃん」, and 「ベビー」 mostly appears in compounds.
• Synonym赤ん坊あかんぼうNeutralA common everyday word for a baby, also used figuratively for someone naive about the world. 「ベビー」 is used alone less often and mostly appears in compounds like 「ベビー服」.
• Synonym赤ちゃんあかちゃんNeutralAn affectionate everyday word for a baby and the most common choice in speech. 「ベビー」 can stand alone but more often forms compounds like 「ベビーカー」 or 「ベビーシッター」.
• Synonym乳児にゅうじWrittenA formal word for an infant under about one year, used in medical and institutional settings like 「乳児健診」. 「ベビー」 is the general loanword term.
• Synonym幼子おさなごWrittenA written, literary word for a young child, covering ages up to preschool. 「ベビー」 means a baby only, a much narrower range.
• SynonymみどりごWrittenA literary word for a newborn, read 「みどりご」. Elegant and poetic, it appears mainly in literature; 「ベビー」 is a loanword that stands alone and forms many compounds.
• Synonym乳飲み子ちのみごWrittenA written word for a child still at the breast, stressing the nursing stage, as in 「乳飲み子を抱える」. 「ベビー」 is a general term for a baby without that emphasis.
• Synonym稚児ちごWrittenOriginally a small child, but today mostly a costumed child in a festival procession, as in 「稚児行列」. For an everyday baby, say 「赤ちゃん」 or 「ベビー」.
• SynonymねんねCasualBaby talk for sleeping, also for a baby or a childish person, used when speaking to children. 「ベビー」 is not nursery language.
• Related幼児ようじNeutralA child from age one until school entry, older than a baby; common in official and statistical contexts like 「幼児教育」. 「ベビー」 refers to a baby.
• Related孩児がいじWrittenA rare written word for an infant or small child, almost never seen in daily use. Say 「赤ちゃん」 normally, and use 「ベビー」 in compounds.

For a baby in everyday speech, 「赤ちゃん」 is the default, and 「赤ん坊」 is also common. 「ベビー」 can stand alone but usually forms compounds like 「ベビー服」 and 「ベビーカー」. In official contexts use 「乳児」 (under one) and 「幼児」 (one to school age); most of the others are literary, rare, or baby talk.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 赤ん坊あかんぼう。赤あかちゃん。
2. 語ごの前後ぜんごについて、「赤ん坊あかんぼうの」「赤あかちゃん用ようの」「小型こがたの」などの意いを表あらわす。