undemonstrative

Synonyms

restrained, reticent, unemotional

cool and formal in manner

reserved

marked by self-restraint and reticence

Antonyms:

demonstrative

given to or marked by the open expression of emotion

effusive, gushing, gushy

extravagantly demonstrative

epideictic, epideictical

designed primarily for rhetorical display

unreserved

not cautious or reticent

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