also: ウエイト · ウエート · ウェート
weight; body weight
Physical weight, especially body weight or the weight of an object. Common in fitness and measurement contexts.
I've gained weight recently.
How many kilograms is this dumbbell?
importance; emphasis; priority
Figurative weight: the importance or emphasis placed on something. Often used in phrases like ウェイトを置く (to place importance on).
We place emphasis on quality in this project.
His opinion carried a lot of weight in the meeting.
This company places great importance on quality.
I'm trying to gain weight for muscle training.
On my doctor's advice, I decided to lose weight.
体重 specifically means a person's body weight and is more formal and precise than ウェイト when talking about someone's weight.
重量 is a formal, often technical term for weight or mass, whereas ウェイト has a more casual, fitness-oriented feel.
ウェイト means 'weight', while ウェイン means the moon's 'wane'; the similar katakana spelling can cause learners to mix them up.
Most common katakana spelling; loanword from English 'weight'.
Variant katakana spelling using ウエ instead of ウェ.
Variant spelling with long vowel エー; less common than ウェイト.
Rare variant; ウェイト is strongly preferred.
Loanword from English 'weight', borrowed into Japanese with katakana spelling variations reflecting different transliteration conventions.