Word
Kana: おもい Romaji: omoi Level: N5

重い

Meaning in English

heavy

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Illustrated Dictionary
重い - Illustrated Dictionary
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Dictionary

Word context

What it means

重い means heavy or weighty; it describes something difficult to lift as well as figurative heaviness such as burden, gravity, or seriousness in a situation.

Main meanings

  • Physical weight: describes tangible objects that are hard to lift or carry.
  • Figurative weight: conveys seriousness, gravity, or importance of a matter.
  • Emotional or mental heaviness: expresses a heavy feeling or fatigue affecting mood or energy.
  • In compounds or set phrases to indicate burden or cumbersome conditions.

How to use it

Used across casual and formal contexts to describe physical heaviness or abstract heaviness such as burden or seriousness; it directly modifies nouns or appears in predicative constructions, and it can express personal state and conditions with phrases like 心が重い.

Variants and close terms

  • 軽い (karui) — light
  • 重たい (omotai) — heavier or emphatic variant (same core meaning, more forceful)
  • 重大な (juudai na) — serious/important (related nuance)

Composition

  • 重: primary meaning is heavy; used in compounds to signify weight, heaviness, or importance
  • い: i-adjective ending that marks the word as a descriptive attribute

Origin

Origin: The sense of heaviness is ancient in Japanese; the kanji 重 was borrowed from Chinese and became common in classical texts, with the modern i-adjective form established through historical language development.

Word class

adjective (い-adjective)

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