Synonyms of undue

undue

adjective

ˌən-ˈdü 

as in excessive

going beyond a normal or acceptable limit in degree or amount

try to avoid undue delay responding to e-mails

Synonyms & Similar Words

• excessive
• extreme
• steep
• insane
• extravagant
• inordinate
• infinite
• endless
• lavish
• exorbitant
• intolerable
• immoderate
• unconscionable
• over-the-top
• unbearable
• overweening
• inappropriate
• fancy
• baroque
• plethoric
• unmerciful
• overdue
• overmuch
• devilish
• stiff
• improper
• unwarranted
• towering
• a bit much
• overextravagant
• immeasurable
• boundless
• unjustifiable
• limitless
• unseemly
• unrestrained
• thick

Antonyms & Near Antonyms

• reasonable
• moderate
• insufficient
• modest
• inadequate
• minimum
• minimal
• deficient
• middling
• temperate

Example Sentences

Recent Examples of undue

Will challenges often allege that someone exerted undue influence over the testator or that the testator had diminished mental capacity. — Bob Carlson, Forbes.com, 28 Aug. 2026

The Wiener Werkstätte’s undue obscurity may have something to do with not only those epistolary expressions of skepticism by the founding fathers of the Frankfurt School, but also Hoffmann’s latter-day Nazism, which in this show goes unmentioned. — Emily Watlington, ARTnews.com, 24 Aug. 2026

But with that slice of luck came a sudden outburst of responsibility from Brook, who then scored at almost a run a ball but did so sensibly and without taking any undue risks. — Paul Newman, New York Times, 23 Aug. 2026

Choosing the Wrong Time Pruning a fruit tree heavily in the middle of the summer when the weather is at its hottest can cause undue stress. — Rae Ford, Martha Stewart, 21 Aug. 2026