#1 restrained s. [reticent, unemotional] cool and formal in manner. wn
#2 restrained a. under restraint. wn
#3 restrained s. [moderate] marked by avoidance of extravagance or extremes; "moderate in his demands"; "restrained in his response". wn
#4 restrained s. [guarded] prudent; "guarded optimism". wn
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