Grammar
N3 adjective

Somewhat / -ish 〜っぽい

Meaning

Says something has the quality of ~ — "-ish", "looks like ~", "tends to ~".

Formation

Notes

The result behaves as an i-adjective: 子供っぽかった. With a noun it means "like a ~" and is usually mildly critical: 子供っぽい ("childish", not "childlike"). With a verb stem it means a tendency: 忘れっぽい ("forgetful"). Casual — らしい is the neutral written choice.

Examples

The way he talks is childish.

Breakdown
way of speaking childish

I have become forgetful lately.

Breakdown
recently forgetful became

This garment is a whitish colour.

Breakdown
this garment whitish colour

He has a quick temper.

Breakdown
quick to anger personality

Doesn't this milk taste watery?

Breakdown
milk not watery

⚠️ Often confused with

Tends to (badly) 〜がち

"Tends to ~", "is apt to ~" — nearly always about something unwanted.

A touch of 〜気味

"A touch of ~", "slightly ~" — a mild sign of a condition, usually an unwelcome one.

As if 〜かのように

"As if ~" — a comparison to something that is not the case.