What does roily mean?
Roily means unsettled in a rolling, swaying, or turbulent way. It is most often used for water and seas that are choppy or heaving, but it can also describe a vehicle, an airplane, or a ride that moves so erratically that passengers feel sick. The adjective may likewise describe a person's queasy stomach or uneasy physical sensation. Its force comes from combining visible motion with bodily discomfort: roily seas are not merely rough, and a roily ride is not simply an uncomfortable journey. Although chiefly associated with informal North American English, the word is readily understood elsewhere. Roily is related to the verb roil, meaning to stir, churn, or make turbulent, and it can carry a slightly expressive or literary tone when used metaphorically for unsettled emotions or circumstances.
adjectiveHaving a rolling, swaying, or turbulent motion; unsteady and often causing discomfort or nausea.
- Having a rolling, swaying, or turbulent motion.
- Feeling or becoming uneasy and nauseated, especially because of turbulent motion.
"The ferry encountered roily seas, and several passengers became visibly queasy."
"A strong wind made the small boat roily and difficult to steer."
"She took a roily flight and spent most of the journey feeling sick."
Roily captures that unmistakable unsettled feeling of waves, vehicles, and stomachs that will not stay calm.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does roily come from?
Roily was formed in the early 19th century from the verb roil and the adjective suffix -y. Roil comes through Middle English roilen from Old French roler, meaning 'to roll,' ultimately from a Latin verb associated with turning or rotating. The same broad family includes words such as roll, rotary, and rotate.
Related word forms
How roily is actually used
The word is especially associated with seas, weather, vehicles, and the sensation of nausea. It is more common in North American informal usage than in British English, where queasy, seasick, or unsteady may be preferred.
Easily confused with roily
Roily describes rolling or turbulent motion, whereas rowdy describes noisy, disorderly behavior.
Roily is the adjective describing an unsettled or turbulent condition, while roiling is the present participle of the verb roil.