微熱(びねつ)

びねつ
noun
slight fever, low-grade fever
medicalbody-internal
1. slight fever, low-grade fever
A body temperature that is slightly elevated above normal but not high enough to be considered a full fever. In Japan, generally refers to a temperature between 37.0°C and 37.9°C.
朝(あさ)から微熱(びねつ)がある。
I've had a slight fever since this morning.
微熱(びねつ)が続(つづ)いているので病院(びょういん)に行(い)った。
I went to the hospital because a low-grade fever has been persisting.
風邪(かぜ)のひきはじめで微熱(びねつ)と倦怠感(けんたいかん)がある。
I have a slight fever and fatigue from the onset of a cold.

Usage

In Japanese medical contexts, fever levels are categorized as: 微熱(びねつ) (slight fever, ~37.0-37.9°C), 中等度(ちゅうとうど)の熱(ねつ) (moderate fever, ~38.0-38.9°C), and 高熱(こうねつ) (high fever, 39.0°C and above). 微熱(びねつ) is often used when describing early symptoms of illness or lingering low-grade fevers.

Common collocations

Related Words

Antonym: 高熱(こうねつ) (high fever)
Related: 発熱(はつねつ) (fever)
Compare: 平熱(へいねつ) (normal body temperature)
general
Added 2026.2.21 20:09 · Revised 2026.9.2 13:01
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