っぽい details
Examples
-ish; has a whiff of N — a quality shows through without the thing being the real deal, often mildly critical
水っぽいスープだね、もう少し味つけしたほうがいいんじゃない。
mizuppoi suupu da ne, mou sukoshi ajitsuke shita hou ga ii n ja nai.
This soup is watery, isn't it — maybe season it a bit more? casual
彼の話し方は先生っぽくて、つい敬語を使いたくなる。
kare no hanashikata wa senseippokute, tsui keigo o tsukaitaku naru.
The way he talks is teacher-ish, so I find myself wanting to use polite language. neutral
祖父は年のせいか、最近忘れっぽくなった。
sofu wa toshi no sei ka, saikin wasureppoku natta.
Maybe it's his age, but my grandfather has gotten forgetful lately. neutral
妹、ほんと飽きっぽいよね、なんでもすぐやめちゃう。
imouto, honto akippoi yo ne, nandemo sugu yamechau.
My little sister really gives up on things fast, doesn't she — she quits everything right away. casual
Formation
{N}っぽいattaches to noun
Notes
飽きっぽい, 惚れっぽい) — coining new ones (?食べっぽい) sounds wrong, so no
formation row models them; treat them as fixed vocabulary, not a productive slot.
Related patterns
Similar
Both read as "prone to X," but っぽい judges an inherent, general character trait true across situations (忘[わす]れっぽい人[ひと] "a forgetful person"), while がち names a recurring lapse over a specific recent stretch with no character judgment (最近[さいきん]忘[わす]れがちだ "I've been forgetful lately").
Both turn a noun into a quality adjective, but 的[てき] draws on abstract Sino-Japanese vocabulary for a formal, category-level description (女性[じょせい]的[てき]な服装[ふくそう] "feminine attire"), while っぽい reads a casual surface impression off concrete nouns, often faintly critical (女[おんな]っぽい服[ふく] "womanish clothes") — swapping one for the other shifts both register and tone.
Lookalikes
Both stack directly on a noun, but the evaluation flips — 子供[こども]っぽい criticizes an adult for acting childish, while 子供[こども]らしい praises a child for acting properly like one; swapping them reverses the compliment into an insult.
っぽい names a degree of a single quality the head noun partly has (水[みず]っぽい "watery" — still water, just diluted), while みたいだ compares two separate things through resemblance (氷[こおり]みたいに冷[つめ]たい "cold like ice"); っぽい never introduces a second, distinct compared item.