Synonyms of demonstrative in English:
demonstrative
See US English definition of demonstrative
See UK English definition of demonstrative
See Spanish definition of efusivo
adjective
1‘we were a very demonstrative family’
SYNONYMS
expressive, open, forthcoming, emotional, communicative, responsive, unreserved, unrestrained, effusive, expansive, gushing, affectionate, cuddly, loving, warm, friendly, approachable
informal touchy-feely, lovey-dovey
ANTONYMS
undemonstrative, reserved
2‘these military successes are demonstrative of their skill’
SYNONYMS
indicative, indicatory, suggestive, illustrative, evincive, expository
3‘he presented demonstrative evidence of his theorem’
SYNONYMS
convincing, definite, positive, telling, conclusive, certain, decisive, material, airtight, watertight
incontrovertible, incontestable, irrefutable, unquestionable, undeniable, indisputable, unassailable