老人|ろうじんroujin[0]heiban (flat)

1. nounold person; senior citizen; the aged; the elderly
   あの老人ろうじんは食べ物たべものに難むずかしい。↗

   That old man is a fussy eater.

• Synonym年寄りとしよりNeutralCommon in everyday speech with a warm or casual feel; often said as 「お年寄り」 to show respect. 「老人」 is the more objective term.
• Synonym高齢者こうれいしゃFormalFormal administrative and media term, as in 「高齢者福祉」; more euphemistic and neutral than 「老人」, and now largely replacing it.
• Synonym年老としおいWrittenWritten register for someone old and frail; not much used. For the verb, say 「年老いる」.
• Related老いおいWrittenWritten register. Mainly the process of growing old, as in 「老いを感じる」; when it does refer to a person, the tone is literary.
• Related古老ころうWrittenWritten register. An old person who knows the past well, as in 「村の古老に話を聞く」; the emphasis is on knowledge of bygone days.
• Related長老ちょうろうNeutralA respectful title for a venerable elder or senior monk, as in 「村の長老」; the emphasis is on status and prestige.
• Related老骨ろうこつWrittenWritten register. Usually an old person's humble word for their own aged body, as in 「老骨に鞭打つ」; occasionally for someone else's body, not a general word for old people.
• Related老体ろうたいWrittenWritten register. An aged, weakened body, or a respectful way to speak of an old person, as in 「ご老体」; often carries concern for failing strength.
• Related老ろうWrittenWritten register. Mostly a prefix or suffix, as in 「老夫婦」 and 「敬老」; rarely stands alone. Can also be an old person's humble self-reference.
• Related老輩ろうはいWrittenWritten register for old people as a group, also an old person's humble self-reference; rare today — say 「老人」 in everyday speech.
• Related昔者むかしものWrittenWritten register. An old person, or someone set in old ways; the emphasis is on old-fashioned thinking or habits. Rare in daily use.
• Antonym子供こどもNeutralChildren — the opposite end of the age range from 「老人」, as in 「子供から老人まで」.
• Antonym若者わかものNeutralYoung people, the age opposite of 「老人」; common in social discussions such as generational gaps.
• Antonym青年せいねんNeutralYoung people from their teens to about thirty; leans toward written style, and sits at the opposite end of the age range from 「老人」.

Use 「老人」 as the neutral, objective word for an old person. In formal or administrative contexts choose 「高齢者」; in everyday speech, the warm 「お年寄り」; for a revered elder, 「長老」. The rest are written-register words: 「老骨」「老体」 for aged bodies, 「老い」 for aging itself, 「古老」 for elders who remember the past. 「子供」「若者」「青年」 are antonyms by age.

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

1. 年としを取とった人ひと。
2. 特とくに年老としおいた男性だんせい、老爺ろうや。