リザーブrizaabu

1. noun, suru verb, transitive verbreserve
   いつもあのお店みせは混こんでいるけど、今日きょうは席せきをリザーブしてあるから大丈夫だいじょうぶ。↗

   That place is always crowded, but I reserved a table today, so we don't have to worry.

• Synonym予約よやくNeutralThe everyday word for booking seats, rooms or services in advance. The standard, most common way to say what 「リザーブ」 expresses.
• Synonym予備よびNeutralA spare person or thing kept for when needed, e.g. 「予備の電池」. Focuses on backup items rather than booking.
• Synonym控えひかえNeutralA substitute or backup, e.g. 「控えの選手」; also a copy or stub kept on file. Covers backups and duplicates, not bookings.
• Synonym取っておくとっておくNeutralEveryday phrase for setting something aside to use later, e.g. 「ケーキを取っておく」. More colloquial than 「リザーブ」.
• Synonym取り置くとりおくNeutralTo set items aside for a customer, e.g. 「商品を取り置く」. Leans toward shop service holding goods temporarily, unlike general reserving.
• Related押さえるおさえるNeutralLiterally to press down; colloquially to secure a seat or venue ahead of time, e.g. 「会場を押さえる」.
• Related保留ほりゅうWrittenWritten/formal prose for holding off on a decision or matter, e.g. 「回答を保留する」. Does not refer to booking seats.
• Related留保りゅうほFormalFormal term for withholding or reserving rights, e.g. in legal contexts. More formal than 「保留」.
• AntonymメインCasualColloquial loanword meaning main or principal. The opposite of the reserve/spare sense of 「リザーブ」.
• Antonym先発せんぱつNeutralStarting in the opening lineup of a team sport. The opposite of 「リザーブ」 as a substitute or backup.

Use 「リザーブ」 for reserving seats or keeping something as a backup, as in 「席をリザーブする」 or 「リザーブ席」. For everyday booking say 「予約」, for keeping something for later 「取っておく」; 「保留」 and 「留保」 are for holding off or reserving rights, not bookings.

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

1. 後あとに使つかうために、あらかじめ確保かくほしておくこと。