Resembling or characteristic of a cub; having qualities of a young or immature animal, such as playfulness or ungainliness.
From cub (a young animal) + -ish (suffix meaning 'resembling' or 'somewhat like'). The -ish suffix comes from Old English and is one of the most productive adjective-forming suffixes in English.
The -ish suffix is brilliantly flexible—you can add it to almost any noun to describe something that has those qualities! This flexibility shows why English is so good at creating new words: we don't have to invent completely new terms; we just add -ish and everyone understands.
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