unduly

adverb

un·​du·​ly ˌən-ˈdü-lē 

-ˈdyü-

: in an undue manner : excessively

an unduly harsh punishment

unduly sensitive

Synonyms of unduly

• overly
• too

Examples of unduly in a Sentence

taxes that unduly burden homeowners

The punishment was unduly harsh.

Recent Examples on the Web

If Rozier is paying for Laster’s attorney, that could unduly affect his friend's own defense, prosecutors said. —Tom Winter, NBC news, 17 Dec. 2025

Debate over permitting reform in the US used to hinge on the contest between renewables and fossil fuels; previous bills have often failed because of lawmakers’ inability to convince both sides of the aisle that cutting red tape for one technology won’t unduly help or hinder another. —Tim McDonnell, semafor.com, 16 Dec. 2025

Here's where people get unduly creative. —Paul Cappiello, Louisville Courier Journal, 5 Dec. 2025

The Cleveland ensemble thrives on this chamber-style approach, which enhances inner voices without emphasizing them unduly. —Alex Ross, New Yorker, 21 Oct. 2025

Word History

First Known Use

14th century, in the meaning defined above

Rhymes for unduly

• bernoulli
• lazuli
• unruly
• cooley
• coolly
• cooly
• coulee
• cruelly
• duly
• hooley
• muley
• newly

Kids Definition

unduly

adverb

un·​du·​ly ˌən-ˈd(y)ü-lē 

ˈən-

: in an undue manner

especially : excessively

unduly upset

Legal Definition

unduly

adverb

un·​du·​ly ˌən-ˈdü-lē, -ˈdyü- 

: in an undue manner : to an excessive degree

unduly influenced the testator