満杯|まんぱいmanpai[0]heiban (flat)

1. no-adjectivefull

• SynonymいっぱいNeutralThe everyday word for 'full', common in speech; it can also mean 'one cup/glass'. 「満杯」 is said mainly of containers, parking lots and venues at capacity.
• SynonymフルNeutralLoanword meaning 'full' or 'at the maximum', as in 「フル充電」; mostly appears in compounds rather than on its own.
• Synonym満タンまんタンNeutralFilling a gas tank or charging a battery to full; centers on tanks and batteries. Common in speech, unlike the broader 「満杯」.
• RelatedパンパンCasualMimetic word for something bulging, stuffed to bursting, as in 「お腹がパンパン」; colloquial, with a vivid image.
• Related盛りだくさんもりだくさんNeutralContent that is rich and packed with variety, as in 「盛りだくさんの内容」; not about a container being filled.
• Antonym空っぽからっぽNeutralAntonym: empty, with nothing inside; the direct opposite of 「満杯」.
• Antonymがら空きがらあきNeutralAntonym: wide open and nearly empty of people; said mostly of train cars and venues.

Use 「満杯」 for containers, parking lots and venues being full or at capacity, as in 「駐車場が満杯」. In everyday speech say 「いっぱい」; for filling up with gas use 「満タン」. The opposite is 「空っぽ」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 容器ようきの中なかが物ものでいっぱいになること。
2. 施設しせつや乗り物のりものが人ひとなどでいっぱいになること。