English Reference

Word

unnecessarily

Phoneticsun·nec·es·sar·i·ly

US/ənˈnɛsəˌsɛɹəɫi/

UK/ʌnnˌɛsɪsˈɛɹəli/

Definitions

01without need

B2

adv. in a way that is not needed or has no good reason.

adv. in a manner that lacks necessity or justification; performed without a compelling reason.

“The movie was unnecessarily long and could have been thirty minutes shorter.”

“The manager was unnecessarily rude to the new staff, which created a tense atmosphere in the office for the rest of the day.”

Synonyms

needlesslypointlessly

Antonyms

necessarilyunavoidably

02to an excessive degree

B2

adv. more than is needed or more than is normal.

adv. to an extent that exceeds what is required, useful, or appropriate.

“The instructions for the game were unnecessarily complicated.”

“The legal document was written in unnecessarily dense language, making it difficult for the average person to understand their rights.”

Antonyms

Real-World Examples

“But advertisements where AI is used unnecessarily, such as creating animation that could be made by human designers, can leave consumers feeling upset or unnerved.”
Phys.org · 31 Aug 2026
“Do schools demand an unnecessarily narrow range of behaviour from children?”
The Guardian · 20 Aug 2026

Etymology

From unnecessary + -ly or un- + necessarily.

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

Word family

unnecessarilyAdverbunnecessaryAdjective

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

englishreference.com/q/unnecessarily

English Reference