Translation guide
The English word 'numerous' means 'many' or 'a large number of'. In Japanese, this concept is expressed through various adjectives, adverbs, and phrases depending on the context and what is being counted.
Expressing that there is a large quantity or number of something in a general sense.
The most common and versatile adjective meaning 'many' or 'much'. It can be used for both countable and uncountable things. Note that it is an adjective and cannot directly modify nouns; use 多くの to modify nouns.
この町には人が多い。
There are many people in this town.
今年は雨が多い。
There has been a lot of rain this year.
A very common adverb/noun meaning 'a lot' or 'many'. It is slightly more casual than 多い and can be used as an adverb or with の to modify nouns.
宿題がたくさんある。
I have a lot of homework.
たくさんの人が来た。
Many people came.
A more formal and emphatic way to say 'numerous' or 'a great many'. It directly modifies nouns and is often used in written or formal contexts.
数多くの問題が残っている。
Numerous problems remain.
A formal term meaning 'a large number of', often used in news, reports, or statistics. It emphasizes the count rather than just the general sense of 'many'.
多数の死傷者が出た。
There were numerous casualties.
Stressing that the number is exceptionally high or overwhelming.
A straightforward way to say 'very many' or 'a great many'. It is formal but can be used in both speech and writing.
非常に多くの人が集まった。
A great many people gathered.
Means 'countless' or 'innumerable'. It is used when the number is so large it cannot be counted, often in a figurative sense.
夜空には無数の星が輝いている。
Countless stars are shining in the night sky.
Expressing that something happens many times or on many occasions.
Means 'many times' or 'repeatedly'. It is the most common way to express numerous occurrences.
彼には何度も会ったことがある。
I have met him numerous times.
Means 'many' or 'numerous' when referring to events, achievements, or abstract things. It is slightly formal and often used in positive contexts.
彼は数々の賞を受賞した。
He has won numerous awards.
多い is an adjective and cannot directly modify nouns (you cannot say 多い人; use 多くの人 instead). たくさん is more flexible and can be used as an adverb or with の to modify nouns (たくさんの人). たくさん is slightly more casual and common in spoken Japanese.
The English word 'numerous' often sounds formal. In Japanese, using 多い or たくさん is usually sufficient. Overusing formal terms like 多数の or 数多くの in casual conversation can sound unnatural.
An adjective meaning 'a great many' or 'a tremendous number', often with a nuance of being overwhelming or excessive. It is somewhat literary.
おびただしい数の鳥が飛び立った。
A tremendous number of birds took flight.