What does uncertainly mean?
Uncertainly means in an uncertain way, especially with a lack of confidence, conviction, or precise knowledge. It is useful when the focus is on the manner of an action or statement rather than on the uncertainty itself: a person may speak uncertainly, move uncertainly, or answer a question uncertainly. The word can suggest hesitation, tentativeness, indecision, or a lack of firm evidence, although its connotation depends on the surrounding context. It is also used when an estimate, calculation, or conclusion is offered provisionally rather than definitively. Uncertainly is common in formal and informal English, but it is not usually needed when the sentence already contains a clear alternative such as tentatively, hesitantly, or without confidence. In those cases, using a more specific adverb can make the writing more direct and expressive.
adverbIn an uncertain manner; without confidence, certainty, or conviction.
- In an uncertain manner, especially without confidence or conviction.
"She spoke uncertainly, glancing toward the door before answering."
"He reached for the handle but pulled his hand away uncertainly."
"The estimate was given uncertainly, so the committee requested more precise figures."
Uncertainly captures the space between knowing and not knowing, where confidence becomes a matter of motion, tone, and hesitation.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does uncertainly come from?
Uncertainly is formed in English by adding the adverbial suffix -ly to uncertain. Uncertain comes through Old French from Latin incertus, formed from in-, meaning not, and certus, meaning certain. The same Latin root appears in English words such as certainty, certify, and certificate, all of which relate to being sure, establishing something, or making it known.
How uncertainly is actually used
The adverb is neutral in register and is commonly used with verbs describing movement, speech, decisions, or attempts. It can also indicate that something is done tentatively or provisionally.
Easily confused with uncertainly
Uncertainly is an adverb describing how an action or statement is performed, whereas uncertainty is a noun naming the state of doubt.