弱(よわ)い

よわい
adjective (i-adjective)
weak
1. weak, feeble
Lacking physical strength or power.
体(からだ)が弱(よわ)いです。
I have a weak body / I'm not very healthy.
赤(あか)ちゃんは体(からだ)が弱(よわ)いので、気(き)をつけてください。
Babies have weak bodies, so please be careful.
風(かぜ)が弱(よわ)くなってきた。
The wind has gotten weaker.
電波(でんぱ)が弱(よわ)い。
The signal is weak.
弱(よわ)い火(ひ)で煮(に)てください。
Please simmer over low heat.
2. not good at, susceptible to
Being vulnerable to or not skilled at something.
お酒(さけ)に弱(よわ)いです。
I can't hold my alcohol well.
A common expression
暑(あつ)さに弱(よわ)いです。
I can't handle the heat well.
私(わたし)は朝(あさ)に弱(よわ)いです。毎朝(まいあさ)起(お)きるのが大変(たいへん)です。
I'm not a morning person. It's hard to get up every morning.
数学(すうがく)に弱(よわ)い。
I'm not good at math.
寒(さむ)さに弱(よわ)いので、冬(ふゆ)が苦手(にがて)だ。
I can't handle the cold, so I don't like winter.

弱(よわ)い is an i-adjective meaning weak or not good at something.

FORMS:

  • Adverb: 弱(よわ)く
  • Noun form: 弱(よわ)さ (weakness)
  • Negative: 弱(よわ)くない

COMMON PATTERNS:

  • 〜に弱(よわ)い: weak against ~, susceptible to ~, not good with ~
  • お酒(さけ)に弱(よわ)い: can't hold alcohol well
  • 朝(あさ)に弱(よわ)い: not a morning person
  • 暑(あつ)さに弱(よわ)い: can't handle heat

COMPOUNDS:

  • 弱点(じゃくてん): weak point, weakness
  • 弱気(よわき): timidity, bearish (stock market)
  • 弱虫(よわむし): coward, weakling

OPPOSITE:
強(つよ)い: strong

basic
Added 2026.1.7 21:02 · Revised 2026.2.21 11:56
00500/00825_yowai