English Reference

Word

unwittingly

Phoneticsun·wit·ting·ly

US/ənˈwɪtɪŋɫi/

UK/ʌnwˈɪtɪŋli/

Definition

adv. doing something without realizing it or without meaning to. You use this when someone causes a result they did not plan.

adv. without awareness or intention; inadvertently. Often describes an action that leads to an unforeseen or undesirable consequence.

Examples

“She unwittingly gave away the secret.”

“By clicking the suspicious link, the employee unwittingly allowed malware to infect the entire office network.”

“The biographer unwittingly included several anecdotes that were later proven to be fabrications, damaging the book's reputation for historical accuracy.”

Examples

simple

“She unwittingly gave away the secret.”

contextual

“By clicking the suspicious link, the employee unwittingly allowed malware to infect the entire office network.”

complex

“The biographer unwittingly included several anecdotes that were later proven to be fabrications, damaging the book's reputation for historical accuracy.”

Usage

Typically placed before the verb it modifies or at the end of a clause.

Pitfall

He did it unwittinglyly

He did it unwittingly

Learners sometimes add an extra 'ly' to adverbs that already end in 'ly' as part of their root or suffix structure.

Real-World Examples

“These mothers are at risk of having low birth weight babies and unwittingly passing on their nutrient deprivation to their children.”
UN News · 24 Aug 2026
“The risk of infections also helps explain why so few hospitals have proper ventilation, air conditioning or fans, Sawicka explains – in case they unwittingly spread bugs.”
The Guardian · 14 Aug 2026

Etymology

From Middle English on-wytyngly, un-wetandly, unweteynglye, unwetinglie, un-wetinglye, unwetyngly, unwitandly, unwitendely, unwitingly, unwittandly, unwityngli, unwityngly, unwytyngeleche, unwytyngli, equivalent to unwitting + -ly or un- + wittingly.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

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English Reference