Synonyms and Antonyms of confirm (kən-fûrm)

validate establish authenticate make firm confirm prove corroboratory justify demonstrate corroborate clinch substantiation fortify settle back bear out assure reinforce adopt testify affirm ratify sustain harden sanction attest evidence substantiate warrant endorse show pass confirmative confirmatory corroborative affirmation authentication bless certify reassert confirmation corroboration investiture validation approbate countersign firm okay satisfy seal uphold vouch vouch-for

void veto deny abrogate disprove annul cancel contradict oppose invalidate destroy repudiate

verify approve strengthen acknowledge support strong law indicate notify accept conclude announce suggest agree make clear reconfirm make-it-clear inform declare be informed ascertain true

confirm ₁₄

formic ₁₃ inform ₁₁ micron ₁₀

micro ₉ monic ₉ minor ₇ orcin ₇

coif ₉ corf ₉ fico ₉ firm ₉ foci ₉ form ₉ from ₉ corm ₈ fino ₇ firn ₇ foin ₇ info ₇ cion ₆ coin ₆ coir ₆ coni ₆ corn ₆ icon ₆ morn ₆ norm ₆ inro ₄ iron ₄ noir ₄ nori ₄

mic ₇ moc ₇ fin ₆ fir ₆ fon ₆ for ₆ fro ₆ rif ₆ con ₅ cor ₅ mir ₅ moi ₅ mon ₅ mor ₅ nim ₅ nom ₅ orc ₅ rim ₅ roc ₅ rom ₅ ion ₃ nor ₃ rin ₃

if ₅ of ₅ mi ₄ mo ₄ om ₄ in ₂ no ₂ oi ₂ on ₂ or ₂