How to tell them apart
っぽい attaches to nouns and verb stems to mean -ish or prone to, as in 安っぽいソファ and 忘れっぽい人. がち attaches to nouns and verb stems to mean tend to be or happen often, usually for undesirable situations, as in 遅れがち and 曇りがち. So use っぽい for resemblance or personal proneness, and がち for frequent undesirable tendency, not for outward look.
- っぽい Use っぽい to say something looks like or has the quality of something, or that someone is prone to doing something.
- がち Use がち to say something tends to happen often and is usually undesirable.
| Grammar point | Meaning | JLPT level |
|---|---|---|
| っぽい ppoi | Has the look or quality of; prone to doing something | N3 |
| がち gachi | has a tendency to (do something undesirable) | N3 |
っぽい ppoi
Has the look or quality of; prone to doing something
っぽい adds the sense of -ish to a word, meaning something has the look, feel, or quality of that thing, or that a person is prone to an action. It attaches to nouns as in 子供っぽい, to the masu-stem of verbs as in 忘れっぽい, and to the stem of i-adjectives with い removed. As an i-adjective itself, it conjugates as っぽくない or っぽかった, and in conversation it often carries a critical or teasing tone.
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祖母はだんだん忘れっぽくなり、弱ってきた。
My grandmother was gradually becoming forgetful and frail.
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英語で話すと、子供っぽく見える気がする。
I feel like I look childish when I speak in English.
がち gachi
has a tendency to (do something undesirable)
がち describes a bad or unwanted tendency or habit, like being late or getting angry easily. It attaches to the masu-stem of a verb, as in 遅刻しがちだ, and to some nouns, as in 病気がちだ. As a na-adjective, it becomes がちだ, がちな, or がちの before nouns. It should not be used for positive or neutral habits.
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人は悪い事に目を向けがちだと思います。
I believe that people tend to focus on the bad.
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彼はなまけがちである。
He tends to be idle.
っぽい and がち are both JLPT N3 grammar points that Japanese learners often mix up. This page compares them side by side on meanings, usage and example sentences, so you can tell them apart.