Kanji: 不

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JLPT Level:	JLPT N4 (upper beginner level)
Kanken Level:	Kanken Level 7 (completion of 4th grade)
Grade:	Taught during the 4th grade in Japan
Radical:	一 Radical name: いち
Meaning:	Negative, non-, bad, ugly, clumsy
Usage:	Appears very frequently in Japanese newspapers; only about 100 kanji are used more often.

JLPT Level	Word	Meaning
N4	不便(ふべん)	inconvenience
N3	不(ふ)	un, non, negative prefix
N3	不(ぶ)	un, non, negative prefix
N3	不安(ふあん)	anxiety, uneasiness, insecurity, suspense
N3	不可(ふか)	wrong, bad, improper, unjustifiable, inadvisable
N3	不幸(ふこう)	unhappiness, sorrow, misfortune, disaster, accident, death
N3	不思議(ふしぎ)	mystery, curiosity
N3	不自由(ふじゆう)	discomfort, disability, inconvenience, destitution
N3	不正(ふせい)	injustice, unfairness
N3	不足(ふそく)	insufficiency, shortage, deficiency, lack, dearth
N3	不平(ふへい)	complaint, discontent, dissatisfaction
N3	不満(ふまん)	dissatisfaction, displeasure, discontent, complaints, unhappiness
N3	不利(ふり)	disadvantage, handicap, unfavorable, drawback
N2	不運(ふうん)	unlucky, misfortune, bad luck, fate
N2	不規則(ふきそく)	irregularity, unsteadiness, disorderly
N2	不潔(ふけつ)	unclean, dirty, filthy, impure
N2	不通(ふつう)	suspension, interruption, stoppage, tie-up, cessation
N1	不意(ふい)	sudden, abrupt, unexpected, unforeseen
N1	不可欠(ふかけつ)	indispensable, essential
N1	不吉(ふきつ)	ominous, sinister, bad luck, ill omen, inauspiciousness
N1	不況(ふきょう)	recession, depression, slump
N1	不景気(ふけいき)	business recession, hard times, depression, gloom, sullenness, cheerlessness
N1	不在(ふざい)	absence
N1	不審(ふしん)	incomplete understanding, doubt, question, distrust, suspicion, strangeness, infidelity
N1	不振(ふしん)	dullness, depression, slump, stagnation
N1	不順(ふじゅん)	irregularity, unseasonableness
N1	不調(ふちょう)	bad condition, not to work out (ie a deal), disagreement, break-off, disorder, slump, out of form
N1	不図(ふと)	suddenly, casually, accidentally, incidentally, unexpectedly, unintentionally
N1	不当(ふとう)	injustice, impropriety, unreasonableness, undeservedness, unfair, invalid
N1	不動産(ふどうさん)	real estate
N1	不評(ふひょう)	bad reputation, disgrace, unpopularity
N1	不服(ふふく)	dissatisfaction, discontent, disapproval, objection, complaint, protest, disagreement
N1	不明(ふめい)	unknown, obscure, indistinct, uncertain, ambiguous, ignorant, lack of wisdom, anonymous, unidentified
N1	不良(ふりょう)	badness, delinquent, inferiority, failure