What does unverifiably mean?
Unverifiably is a formal adverb meaning in a way that cannot be verified or checked with certainty. It is often applied to claims, quotations, accounts, or assertions for which no reliable evidence or confirmable source can be found. The word does not itself mean false, mistaken, or unlikely; it indicates that the available information does not permit verification. This distinction makes it especially useful in journalism, research, legal contexts, and careful discussion of disputed information. For example, saying that a claim is unverifiably supported emphasizes the absence of confirmable evidence without asserting that the claim is definitely incorrect. Because the adverb is less common than the adjective unverifiable, it can sound formal or technical, but it provides a precise way to describe an evidentiary limitation. It is therefore valuable when discussing information whose truth cannot yet be established, rather than information that has been conclusively shown to be false.
adverbIn a way that cannot be checked against evidence or established with certainty, especially of a claim, assertion, or account.
- In a manner or on a basis that cannot be checked against evidence or established with certainty.
"The invoice appears authentic, but that remains unverifiably so."
"The invoice appears authentic, but that remains unverifiably so."
"Editors challenged the story because the quotation had been unverifiably sourced and its original context could not be established."
Unverifiably carries its own caution label: it signals that the evidence is missing, not necessarily that the claim is false.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does unverifiably come from?
Unverifiably was formed in English by adding the negative prefix un- to verifiable and the adverbial suffix -ly. The adjective verifiable comes from verify and ultimately from Latin verificare, a compound of verus, meaning true, and facere, meaning to make. Thus, the word literally conveys that something cannot be made true, confirmed, or established.
How unverifiably is actually used
Formal and relatively uncommon. In most contexts, the more natural adjective form is unverifiable; use the adverb particularly when discussing claims, accounts, or assertions that lack verifiable support.
Easily confused with unverifiably
Invariably means always or consistently, whereas unverifiably describes something that cannot be verified.