JMdict: 1711120

余計者 【よけいもの】

  1. [n] person whose presence is unwelcome, unnecessary or a nuisance; fifth wheel; third wheel; interloper
  2. [n] superfluous man (literary archetype)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
余 Too Much, Myself, Surplus, Other, Remainder ヨ あま.る, あま.り, あま.す, あんま.り
計 Plot, Plan, Scheme, Measure ケイ はか.る, はか.らう
者 Someone, Person シャ もの