What does flossed mean?
'Flossed' is the past tense and past participle of the verb 'floss', meaning to have cleaned between one's teeth using dental floss — the fine waxed or unwaxed thread designed to remove food particles and plaque from areas a toothbrush cannot reach. The verb takes its name from 'floss silk', the soft filaments once spun into thread, which early users repurposed for interdental cleaning. In everyday use, saying someone 'flossed' typically appears in accounts of personal care routines: 'She flossed before bed' or 'He flossed after the meal'. Dentists routinely encourage patients to have flossed daily alongside brushing, making the word a fixture of health advice and advertising. The register is casual to neutral, and the term is universally understood across the English-speaking world wherever dental floss itself is common. By extension, the word occasionally describes clearing debris from other tight spaces with a thin thread or tool, though this usage remains secondary to its dominant association with oral hygiene.
verb (past tense and past participle)The past tense and past participle of 'floss': to have cleaned between one's teeth using dental floss. It can also describe having cleaned other narrow spaces or items with a similar thread-like material.
- Cleaned between the teeth with dental floss (past tense/participle of 'floss')
- Cleaned or cleared something using a thread-like material or tool, by extension
"She flossed her teeth thoroughly before bed, as her dentist had recommended."
"He flossed every evening without fail, knowing that brushing alone couldn't reach between his teeth."
"After eating corn on the cob at the fair, she wished she had flossed before the meeting."
Before dental floss existed as a product, people cleaned between their teeth with silk fibres — which is exactly where the word comes from.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of flossed
The underlying word 'floss' entered English in the sixteenth century referring to raw silk or silk fluff, borrowed from French 'floche' or 'flosche', meaning a tuft of silk, ultimately linked to Latin 'floccus', a flock or tuft of wool. When Levi Spear Parmly promoted silk thread for cleaning between the teeth in the early nineteenth century, the material's existing name transferred naturally to the practice, and the verb 'to floss' followed. Other descendants of 'floccus' include 'flocculent' and 'floccose', words describing woolly or tufted textures.
Related word forms
How flossed is actually used
Strictly the inflected form of the everyday verb 'floss', so it appears mainly in narrative or instructional contexts about oral hygiene. Entirely informal to neutral in register. In modern slang contexts the base word can also mean to show off ('flossing'), but this sense applies to the progressive/base form rather than the past form 'flossed'.
Easily confused with flossed
'Flawed' means having defects or imperfections, whereas 'flossed' refers to cleaning between the teeth with dental floss.
'Frost' refers to ice crystals or freezing weather; despite a similar sound in some accents, it has no connection to dental hygiene.