Crazed china should not be used for serving food as the tiny cracks can harbor bacteria. Crumbling Breaking or falling apart into small fragments, especially as part of a process of deterioration.
Disordered Suffering from an illness or condition that disrupts normal physical or mental functions. Disturbed Afflicted with or marked by anxious uneasiness or trouble or grief.
Timeshare has been brought into disrepute by dubious sales methods. Fallacious Based on an incorrect or misleading notion or information.
Fallible Wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings. False Used in names of plants animals and gems that superficially resemble the thing properly so called e g false oat.
Insane In a state of mind which prevents normal perception, behavior, or social interaction; seriously mentally ill. Irrational Of a number quantity or expression not expressible as a ratio of two integers and having an infinite and non-recurring expansion when expressed as a decimal Examples of irrational numbers are the number and the square root of 2.
Rickety Inclined to shake as from weakness or defect. Shaky Vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze.
Troubled Characterized by or indicative of distress or affliction or danger or need. Unbalanced (of a person) emotionally or mentally disturbed.
Untenable Incapable of being defended or justified. Weak Relating to or denoting the weakest of the known kinds of force between particles which acts only at distances less than about 10 cm is very much weaker than the electromagnetic and the strong interactions and conserves neither strangeness parity nor spin.
The crowd laughed at the absurdity of the clown s behavior. Disqualify Declare (someone) ineligible for an office, activity, or competition because of an offense or infringement.
A heart murmur disqualified him for military service. Fallible Wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings.
Improper Not conforming to legality, moral law, or social convention. The incongruity of his fleshy face and skinny body disturbed her.
Incongruous Lacking in harmony or compatibility or appropriateness. Indefensible Incapable of being defended or justified.
Invalid A person made weak or disabled by illness or injury. Irrational Of a number quantity or expression not expressible as a ratio of two integers and having an infinite and non-recurring expansion when expressed as a decimal Examples of irrational numbers are the number and the square root of 2.
Irresponsible (of a person, attitude, or action) not showing a proper sense of responsibility. Unbecoming (of behavior) not fitting or appropriate; unseemly.
Unjustifiable Incapable of being justified or explained. She knew she was being unreasonable, but she resented his domesticity.
In the early 1950s computers were large and expensive and unreliable. Unsuitable Not worthy of being chosen (especially as a spouse.
Untenable (of theories etc) incapable of being defended or justified. Untrustworthy Not able to be relied on as honest or truthful.
NounSee unsound in the Oxford Advanced Learner's Dictionary In poor condition; weak and likely to fall down The roof is structurally unsound.