威力・偉力|いりょくiryoku[1]atamadaka (head-high)

JLPT N1approx.Common
Which spelling to use
威力威力 is the common written form and the one learners should normally choose when writing this word. It is the usual form encountered in general use.
偉力偉力 is a rarely used written form of the word. You will seldom see it, so learners should not choose it by default.
Definitions
  1. nounpower; might; authority; influence
Synonyms & antonyms
  • Synonym権威けんいNeutralAuthority or an expert in a field, as in 「その道の権威」; stresses a position that makes others submit, while 「威力」 is about actual powerful force.
  • Synonym影響力えいきょうりょくNeutralInfluence over people or things, as in 「影響力が大きい」; centers on swaying others rather than overwhelming force.
  • Synonym権勢けんせいNeutralPower held by someone in control, as in 「権勢を振るう」; often used of historical settings.
  • Synonym威光いこうNeutralMajesty that naturally makes people stand in awe and obey, as in 「親の威光を笠に着る」; 「威力」 stresses actual force.
  • Synonym力ちからNeutralA suffix naming a specific ability or capacity, as in 「記憶力」「経済力」; never stands alone.
  • Related力りょくNeutralA suffix naming a specific ability or capacity, as in 「記憶力」「経済力」; never stands alone.
  • Related勢威せいいWrittenA written/formal term for power and influence combined; rare.

Use 「威力」 for awe-inspiring power or performance, as in 「台風の威力」「威力を発揮する」. For a position of authority say 「権威」, for swaying others 「影響力」, and for majesty that commands awe 「威光」.

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

Japanese definitions
  1. 人ひとを恐おそれさせる程ほどの強つよい力ちから。
  2. 迫力はくりょくのある技わざやすぐれた能力のうりょく、性能せいのう。
  3. 人ひとの意思いしを制圧せいあつするに足たる有形ゆうけい・無形むけいの勢力せいりょく。
Kanji in this word
English equivalents

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

Say it right, write it right

Core lookup works fully offline, with cloud pronunciation and one-tap save & review. Free, no sign-up.

Free downloadWindowsFree downloadmacOSDownload on the App StoreGet it on Google Play
MobileiOS / Android

Android

QR code for the Google Play pageGet it on Google Play

Scan it with your Android phone to install, or search for “Tomoshi” on Google Play.

iOS

QR code for the App Store pageDownload on the App Store

Scan it with your iPhone camera to install, or search for “Tomoshi” in the App Store.

Install the browser extensionLook words up on any web page · Chrome / Edge / Safari

Screenshot of a Tomoshi lookup resultScreenshot of Tomoshi lookup results on a phone

Windows macOS Chrome / Edge / Safari extension iOS / Android