不

anxiety

(economic) depression

unclear

insufficiency

distrust

real estate

dissatisfaction

heart failure

partial

injustice

unlawful

insufficient

unfair

absence

dullness

instability

non-confidence

immovable

unnecessary

opaque

scandal

bad

disadvantage

discomfort

impossible

indispensable

bad condition

unhappiness

doubt

uncertainty

dissatisfaction

unnatural

atomic

unfairness

imbalance

wonderful

economic slump

impossible

poor crop

misfire

weird

suddenly

bad(-tasting)

unnecessary

(examination) failure

suddenly

reluctant

nonprosecution

unhappiness

inviolability

failure (e.g. of a bill, motion)

undutifulness to one's parents

wrong

defect

real estate agent

discord

inequality

infertility

non-inflammables

irrational

lack of filial piety

eternal

displeasure

suspension

determination

inevitable

dishonouring (a bill)

unpopular

war renunciation

adultery

uncertain

misfortune

irregular

not asking (about)

imperfect

unprepared

bad reputation

disadvantage

irregular

inconvenience

inadequacy

unknown

constant

un-

unpleasant

discord

irregular pulse

nonpayment

sudden

perfidiousness

sleeplessness

clumsy

absentee ballot

unreasonable

disquieting

inconvenient

foreign matter

discontent

incurability

barren

missing (of a person)

inferior goods

lack of virtue

absurd

of uncertain meaning

pout

lack of physical exercise

carelessness

unsuitable

difference

unfit

dishonored bill

incombustibility

default

not buying

fire of suspicious origin

inexperienced

unforeseen

blur

ominous

inaccurate

indecisive

inadequacy

persistence

irregular (schedule, service, etc.)

dishonor

impartiality

impartiality

indifference

immortal

unreliable

omission

poor catch (fishing)

excess or deficiency

unclean

uncertain

disagreement

perennial youth

morbid

discord

lack of unity

clumsiness

one's weak point

inconsistent

misfortune

win by default

phosphorescent light

poor health

sleeplessness

unwritten law