tvirtinti

== Lithuanian == === Etymology === From tvirtas (“firm, tough”) +‎ -inti. === Verb === tvi̇̀rtinti (third-person present tense tvi̇̀rtina, third-person past tense tvi̇̀rtino) to strengthen, fasten, fix to strengthen (non-physically) to claim, affirm, insist to certify to ratify ==== Conjugation ==== === Further reading === “tvirtinti”, in Lietuvių kalbos žodynas [Dictionary of the Lithuanian language], lkz.lt, 1941–2026 “tvirtinti”, in Dabartinės lietuvių kalbos žodynas [Dictionary of contemporary Lithuanian], ekalba.lt, 1954–2026