How to say "boost" in Japanese

• 高めるたかめるJLPT N2approx.Common
  ichidan verb, transitive verbCovers the sense of boosting in the sense of raising or enhancing something abstract, such as quality, efficiency, or confidence. The nuance is lifting something to a higher level rather than shoving it up from below.
  その小説しょうせつは彼かれの名声めいせいを更さらに高たかめた。↗

  The novel added to his reputation.
• 押し上げるおしあげるCommon
  ichidan verb, transitive verbCovers boosting in the sense of pushing something up, whether physically lifting an object or figuratively driving up figures such as sales or prices. The nuance is upward pressure from beneath rather than overall improvement.
  レバーを押おしあげて下ください。↗

  Please push up the lever.

Use 「高める」 for figuratively raising or enhancing something such as quality, ability, or morale; use 「押し上げる」 for physically or figuratively pushing something upward, such as boosting sales or prices.

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

• 高めるたかめるto raise
• 押し上げるおしあげるto boost
• ブーストboost
• 盛り立てるもりたてるto revive (e.g. a company)
• 守り立てるもりたてるto revive (e.g. a company)