-ish, -like
[Noun / Adjective Stem / Verb Stem] +
Attached to nouns, adjective stems, or verb stems to indicate a quality, appearance, or tendency. This suffix transforms the base word into an い-adjective (e.g., っぽくない, っぽかった). It is informal and often carries a negative or dismissive nuance.
Noun +
Indicates characteristics of the noun; often implies something is 'childish' or 'cheap'. When used with colors, it means '-ish' (e.g., blackish).
あの人の行動はとても子供
That person's behavior is very childish.
Adjective Stem (い/な) +
Attached to the stem (removing the final い or な) to emphasize a specific, often excessive or undesirable, quality.
このスープはとても油
This soup is very oily.
今日は少し変
It seems a little bit strange today.
Verb ます stem +
Attached to the ます stem to indicate a personality trait, habit, or a frequent tendency to perform an action.
彼は忘れ
He is forgetful.
More informal than らしい. Primarily used for sensory qualities (oily, thick), mental states (forgetting), or physical appearances (childish).