Kata bahasa Indonesia
English word
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
THESAURUS
ROGET THESAURUS
Link, Gadget and Share 
WORDNET DICTIONARY
Verb gainsay has 1 sense
CIDE DICTIONARY
To contradict; to deny; to controvert; to dispute; to forbid. [1913 Webster]
"I will give you a mouth and wisdom which all your adversaries shall not be able to gainsay nor resist."
[1913 Webster]
"The just gods gainsay
That any drop thou borrow'dst from thy mother,
My sacred aunt, should by my mortal sword
Be drained." [1913 Webster]
That any drop thou borrow'dst from thy mother,
My sacred aunt, should by my mortal sword
Be drained." [1913 Webster]
OXFORD DICTIONARY
gainsay, v.tr. (past and past part. gainsaid) archaic or literary deny, contradict.
Derivative
gainsayer n.
Etymology
ME f. obs. gain- against f. ON gegn straight f. Gmc + SAY
THESAURUS
gainsay
abjure, assert the contrary, be contrary to, belie, call into question, challenge, combat, contest, contradict, contravene, controvert, counter, cross, deny, disaffirm, disallow, disavow, disclaim, disown, disprove, dispute, fight, forswear, impugn, join issue upon, negate, negative, not accept, not admit, nullify, oppose, oppugn, rebut, recant, refuse to admit, refute, reject, renounce, repudiate, resist, retract, revoke, take back, take issue with, traverse, withstandROGET THESAURUS
gainsay
Negation
VB deny, contradict, contravene, controvert, give denial to, gainsay, negative, shake the head, disown, disaffirm, disclaim, disavow, recant, revoke, dispute, impugn, traverse, rebut, join issue upon, bring in question, call in question, give the lie in his throat, give one the lie in his throat, deny flatly, deny peremptorily, deny emphatically, deny absolutely, deny wholly, deny entirely, give the lie to, belie, repudiate, set aside, ignore, rebut, qualify, refuse, recuse.
See related words and definitions of word "gainsay" in Indonesian
Also see definition of "gainsay" in Bible Study Dictionaries