Meaning of -ISH in English

-ISH

1.

~ is added to adjectives to form adjectives which indicate that someone or something has a quality to a small extent. For example, something that is largish is fairly large.

She is tallish, brown-haired, and clear-skinned...

With her was a youngish man in a dinner jacket.

SUFFIX

2.

~ is added to nouns and names to form adjectives which indicate that someone or something is like a particular kind of person or thing. For example, ‘childish’ means like a child, or typical of a child.

She had entirely lost her girlish chubbiness.

...a man of monkish appearance.

SUFFIX

3.

~ is added to words referring to times, dates, or ages to form words which indicate that the time or age mentioned is approximate.

I’ll call you guys tomorrow. Noon~...

The nurse was fiftyish.

SUFFIX

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .