also: じじい · じい
Neutral or familiar term for an elderly man; can also mean one's own grandfather. Usually written in kana.
See also: 祖父 (おおじ)
old geezer; old fart
Derogatory term for an old man; often written in katakana as ジジイ. Used to express contempt or annoyance.
あのジジイ、また文句言ってるよ。
That old geezer is complaining again.
The stubborn old man who lives next door is always complaining.
The old man in the neighborhood is always playing shogi in the park.
じじの家に遊びに行った。
I went to visit my grandfather's house.
この爺、いつまでうるさいんだ！
You old geezer, how long are you going to keep making noise!
年寄り is a general, mildly informal term for old people of either sex, whereas 爺 specifically and casually refers to an old man.
爺 is a plain, sometimes rustic or affectionate word for an old man, lacking the honorific dignity of 翁.
婆 is the female counterpart meaning 'old woman', paired with 爺 which means 'old man'.
おじいさん is the polite, standard way to refer to an elderly man or grandfather, while 爺 is casual and can sound rough or derogatory.
祖父 is the formal term used when referring to one's own grandfather in polite speech, whereas 爺 is an informal, familiar word for the same person.
祖父 is a neutral term for one's grandfather, whereas 爺 is a blunt, often derogatory word for an old man in general.
counter for people
like an old man; doddering; seedy
Kanji form; often read as じじい or じい in casual speech. It is usually written in kana.
Shortened form; may appear in compounds or very casual speech.
Casual, slightly rough variant; often used in the derogatory sense.
Katakana variant; less common than ジジイ for the derogatory sense.
Katakana spelling strongly associated with the derogatory sense; it is usual for that sense.
Kana spelling is common.
The reading じじ is a reduplicated form of じ (old man), which may be related to 爺 (old man). The variant じじい adds the suffix い, possibly emphatic or colloquial. The exact derivation is uncertain.