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disquieted
spent many disquieted moments
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distressed
[dɪ'strɛst]
distressed about her son's leaving home
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disturbed
[dɪ'stɝbd]
lapsed into disturbed sleep
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upset
[ə'psɛt]
too upset to say anything
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worried
['wɝid]
worried parents
a worried frown
one last worried check of the sleeping children