List of word with un-, dis-, in-, im- and non-

WordPrefixMeaning
Unhappyun-Not happy, sad
Unkindun-Not kind, cruel
Untidyun-Not tidy, messy
Uncertainun-Not sure, unsure
Unclearun-Not clear, vague
Dislikedis-To not like something
Disagreedis-To not agree with something
Disconnectdis-To break a connection
Disappeardis-To go out of sight, to vanish
Disobeydis-To not follow rules or orders
Incorrectin-Not correct, wrong
Inactivein-Not active, not doing anything
Incompletein-Not complete, missing parts
Indecisivein-Unable to make decisions
Insecurein-Not safe, feeling unsure or unsafe
Impossibleim-Not possible, cannot happen
Impoliteim-Not polite, rude
Impatientim-Not patient, hasty
Immatureim-Not fully developed, childish
Imbalanceim-Not balanced, uneven
Nonsensenon-Something that does not make sense
Nonstopnon-Without stopping, continuous
Nonviolentnon-Not violent, peaceful
Nonfictionnon-Not fiction, real stories
Nonstopnon-Without any pause, continuous
Uncertainun-Not sure, unclear
Unfairun-Not fair, unjust
Unpleasantun-Not pleasant, uncomfortable
Unluckyun-Not lucky, unfortunate
Unfitun-Not fit, not suitable
Disagreeabledis-Unpleasant, not agreeable
Disrespectdis-Lack of respect, rude behavior
Disapprovedis-To not approve, to disagree
Dischargedis-To release or let out something
Discomfortdis-Feeling uneasy, not comfortable
Inactivein-Not active, not moving
Indifferentin-Not caring, neutral
Incompletein-Lacking something, not finished
Insensitivein-Not sensitive, unaware of others’ feelings
Inconsistentin-Not consistent, irregular
Imbalanceim-Lack of balance, uneven
Impureim-Not pure, contaminated
Impossibleim-Cannot be done, not possible
Impersonalim-Not personal, distant
Improviseim-To do something without preparation
Nonsensenon-Words or ideas that are silly or illogical
Nonessentialnon-Not necessary, unimportant
Nonconformistnon-Someone who does not follow rules or customs
Nonproductivenon-Not producing anything, not useful
Nonexistentnon-Does not exist, not real
Unlikelyun-Not likely, improbable
Unattractiveun-Not attractive, unpleasant to look at
Unclearun-Hard to understand, vague
Unawareun-Not knowing, ignorant
Unstableun-Not stable, uncertain or prone to change
Disrespectfuldis-Showing disrespect, rude behavior
Disprovedis-To show something is false or incorrect
Disconnectdis-To separate, to break a connection
Discontinuedis-To stop doing something, halt
Inflexiblein-Not flexible, rigid
Insecurein-Not safe, vulnerable
Incorrectlyin-Done in the wrong way, wrong
Impreciseim-Not precise, vague
Impenetrableim-Impossible to pass through or understand
Impracticalim-Not practical, not useful
Inconsistentin-Not the same throughout, changing
Inaccuratein-Not accurate, wrong information
Nonchalantnon-Calm, not worried or excited
Noncriticalnon-Not critical, not essential
Nonplussednon-Confused, unsure of what to do
Nondescriptnon-Lacking distinctive features, not interesting
Unfortunateun-Not lucky, bad luck
Unsuccessfulun-Not successful, failed
Unreasonableun-Not reasonable, not logical
Unusualun-Not usual, rare or different
Uncooperativeun-Not willing to cooperate
Disappeardis-To cease to be visible, vanish
Discomfortdis-Lack of comfort, feeling uneasy
Disapprovedis-To not approve, reject
Inadequatein-Not enough, insufficient
Insensitivein-Not sensitive to others’ feelings
Impersonalim-Lacking personal qualities, not personal
Impracticalim-Not suitable for use, not feasible
Nonsensicalnon-Lacking sense, absurd
Nonprofitnon-Not making a profit, serving a charitable purpose
Nonexistentnon-Not existing, not real

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