What does mucilaginous mean?
Mucilaginous means sticky, slimy, or viscous, usually in a way that suggests the presence or character of mucus. The word is especially useful in scientific and descriptive contexts: a plant may have a mucilaginous coating, a substance may develop a mucilaginous texture, and a medical examination may reveal a mucilaginous discharge. Its Latin-derived form gives it a formal, technical sound, so it is less natural in casual conversation than simpler alternatives such as sticky or slimy. Although it can describe any thick or adhesive substance, it often carries a biological association with mucus, plant fluids, or seed coatings. Mucilaginous is the adjective; the related noun mucilage names the sticky substance itself. The word is useful because it identifies a precise quality of stickiness or viscosity while avoiding the stronger and sometimes unpleasant implication of the everyday word slimy.
adjectiveResembling or containing mucus; having a sticky, slimy, or viscous quality.
- Resembling or containing mucus; sticky, slimy, or viscous.
"A mucilaginous coating helps the seeds adhere to the soil."
"The recipe calls for a mucilaginous liquid that thickens as it cools."
"A clinician noticed a mucilaginous discharge during the examination."
Mucilaginous is the word for the slippery, clingy coating that lets seeds and tiny organisms stick to surfaces.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does mucilaginous come from?
The word comes through French mucilage from Latin mucilago, a term associated with slimy or sticky plant secretions and ultimately related to Latin mucus, meaning a slimy liquid. The English adjective was formed with the suffix -ous, giving it the sense of resembling or consisting of mucus. Its relatives mucilage and mucilaginously preserve the same long-established association with sticky natural substances.
Related word forms
How mucilaginous is actually used
This is a formal or technical adjective, especially common in biology, botany, medicine, and descriptions of texture. It is not usually used for people or ordinary social behavior.
Easily confused with mucilaginous
Mucilage is a sticky or gelatinous substance, whereas mucilaginous is the adjective describing something that resembles or contains it.