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a. Syn. unendurable; intolerable
unendurable; so unpleasant, distasteful, or painful as to be intolerable


Spelling Word: unbearable
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v. Syn. undervalue
make too low an estimate of the quantity; undervalue


Spelling Word: underestimate
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v. Syn. weaken
weaken by wearing away base or foundation; injure or impair; dig a mine or tunnel beneath


Spelling Word: undermine
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a.
not differentiated; without clear distinctive characters


Spelling Word: undifferentiated
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a. Syn. unpopulated; unsettled; unoccupied
having no residents; unsettled; unoccupied


Spelling Word: uninhabited
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a.
not inclined to ask questions; being without doubt or reserve


Spelling Word: unquestioning
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n.
quality of having legal force or effectiveness


Spelling Word: validity
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n. Syn. immensity
unusual largeness in size or extent


Spelling Word: vastness
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n.
someone who doesn't eat meat or fish usually for religious or moral reasons


Spelling Word: vegetarian
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n.
weak-stemmed plant that derives support from climbing


Spelling Word: vine