旧式|きゅうしきkyuushiki[0]heiban (flat)

1. na-adjective, no-adjectiveold type; old style
   この機械きかいは旧式きゅうしきになってしまった。↗

   This machine has gone out of date.

• Synonym昔風むかしふうNeutralOld-fashioned in style, as in 「昔風の家」; carries a nostalgic flavor.
• Synonym大時代おおじだいNeutralExaggeratedly old-fashioned, as in 「大時代な言い回し」; has a theatrical, over-the-top feel.
• Synonym古めかしいふるめかしいNeutralAntique-looking, strikingly old; stresses outward appearance and is not necessarily negative.
• Related古臭いふるくさいNeutralStale and outdated with a dismissive tone; colloquial. Focuses on something being tiresomely, off-puttingly old.
• Related前時代的ぜんじだいてきNeutralOutdated and belonging to a bygone era, as in 「前時代的な考え」; stresses lagging behind the times.
• Related前近代的ぜんきんだいてきNeutralPremodern, with feudal overtones; stresses outdated institutions or thinking rather than old styles or models.
• Related時代違いNeutral「時代違い」 means out of step with the times, as if from the wrong era; a descriptive expression used less often.
• Related時代ちがいNeutralKana spelling of 「時代違い」 with the same meaning; used less often.
• Related時代違Neutral「時代違い」 written without okurigana; same meaning, used less often.
• Antonym新式しんしきNeutralNew style or new type; the direct opposite of old-style 「旧式」.
• Antonym最新式さいしんしきNeutralThe very latest style or model; opposite of old-style 「旧式」.

Use 「旧式」 for old-style things, old models, or outdated ways, as in 「旧式の銃」 and 「旧式な考え」. For something stale and annoyingly outdated pick 「古臭い」; for lagging behind the times, 「前時代的」; for an antique look, 「古めかしい」. Antonyms are 「新式」 and 「最新式」.

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

1. 古ふるくからのしきたりややりかた。
2. 考かんがえや行おこない、型式けいしき、しくみなどが古ふる臭くさいこと。