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Webster 1913 Edition
Unpassionate
Un-pas′sion-ate
,Adj.
 Not passionate; dispassionate. 
– Un-pas′sion-ate-ly
, adv.
Webster 1828 Edition
Unpassionate
UNPAS'SIONATE
,Definition 2025
unpassionate
unpassionate
English
Adjective
unpassionate (comparative more unpassionate, superlative most unpassionate)
- not passionate