unbutton

verb

un·​but·​ton ˌən-ˈbə-tᵊn 

unbuttoned; unbuttoning; unbuttons

transitive verb

1

: to loose the buttons of

2

: to open by or as if by loosing buttons

intransitive verb

: to undo buttons

Examples of unbutton in a Sentence

Recent Examples on the Web

The scoop neck has five functional buttons that can be undone, as well as elbow-length sleeves that can be unbuttoned to hang even lower. — Amelia McBride, Travel + Leisure, 13 Aug. 2026

Until a decade ago, Roth sported a military-style buzz cut and usually wore a Prada suit in either gray, navy blue, or black with an untucked shirt, no tie, top button unbuttoned, and sneakers. — Marisa Meltzer, Vanity Fair, 12 Aug. 2026

Cyrus, 64, cleaned up nicely in a black John Varvatos suit, leaving his the collar of his white shirt unbuttoned. — Hannah Malach, InStyle, 7 Aug. 2026

According to an arrest warrant obtained by Atlanta NBC affiliate 11Alive, the child's mother later noticed that the bottom of her daughter's dress was unbuttoned. — Stepheny Price, FOXNews.com, 3 Aug. 2026

Word History

First Known Use

14th century, in the meaning defined at transitive sense 1

Rhymes for unbutton

• button
• clutton
• glutton
• mutton

Kids Definition

unbutton

verb

un·​but·​ton ˌən-ˈbət-ᵊn 

: to unfasten the buttons of (as a garment)