っぽい (ppoi): Resembling or tending to
～っぽい (ppoi)
Meaning
Like; having a tendency to; having a noticeable quality
Formation and usage
Noun or verb masu-stem + っぽい, in established combinations. Some adjective stems also work. Inflections: っぽくない, っぽかった.
Explanation
Form an i-adjective describing a resemblance, a noticeable quality, or a tendency. Common combinations include kodomoppoi, wasureppoi, and okorippoi. It is not freely attachable to every word, so learn natural combinations. Its evaluative nuance is not always negative.
Examples
このかばんは軽いですが、少し安っぽく見えます。
This bag is light, but it looks a little cheap.
最近、忘れっぽくなりました。
Recently I have become more forgetful.
弟は飽きっぽいので、趣味がよく変わります。
My younger brother gets bored easily, so his hobbies often change.
今日は白っぽいシャツを着ています。
Today I am wearing a whitish shirt.
このスープは水っぽくて、味が薄いです。
This soup is watery and has little flavor.
How related patterns differ
っぽい describes a resemblance or tendency in established word combinations; げ often describes the appearance of an emotion. がち describes a recurring, often undesirable tendency. ふりをする means deliberately pretending, rather than simply appearing a certain way.