KEY: unhappiness.
SYN: Misery, wretchedness, distress, woe, [See AWKWARD].
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KEY: Unhappy.
SYN: Miserable, wretched, distressed, afflicted, painful, disastrous, drear, dismal, [See HAPPY].
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KEY: Unhealthy, [See HEALTHY].
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KEY: Uniform.
SYN: Unvarying, invariable, conformable, homogeneous, consistent, equal, even, alike, unvaried, regular, symmetrical, equable.