10-letter words that end in us
- ranunculus — any ranunculaceous plant of the genus Ranunculus, having finely divided leaves and typically yellow five-petalled flowers. The genus includes buttercup, crowfoot, spearwort, and lesser celandine
- rebellious — defying or resisting some established authority, government, or tradition; insubordinate; inclined to rebel.
- recidivous — repeated or habitual relapse, as into crime.
- rendezvous — an agreement between two or more persons to meet at a certain time and place.
- reptilious — like a reptile, resembling or characteristic of a reptile
- retrovirus — any of a family of single-stranded RNA viruses having a helical envelope and containing an enzyme that allows for a reversal of genetic transcription, from RNA to DNA rather than the usual DNA to RNA, the newly transcribed viral DNA being incorporated into the host cell's DNA strand for the production of new RNA retroviruses: the family includes the AIDS virus and certain oncogene-carrying viruses implicated in various cancers.
- rhinovirus — any of a varied and widespread group of picornaviruses responsible for many respiratory diseases, including the common cold.
- rhoicissus — any plant of the climbing genus Rhoicissus, related to and resembling cissus, esp R. rhomboidea (grape ivy), grown for its shiny evergreen foliage: family Vitaceae
- ridiculous — causing or worthy of ridicule or derision; absurd; preposterous; laughable: a ridiculous plan.
- robustious — rough, rude, or boisterous.
- roisterous — to act in a swaggering, boisterous, or uproarious manner.
- roysterous — boisterous
- rubiaceous — belonging to the Rubiaceae, the madder family of plants.
- rubiginous — rusty; rust-colored; brownish-red.
- rupicolous — rupestrine.
- ruthenious — containing bivalent ruthenium.
- sabinianus — died a.d. 606, pope 604–606.
- sac fungus — ascomycete.
- saint pius — Saint (Giuseppe Sarto) 1835–1914, Italian ecclesiastic: pope 1903–14.
- saliferous — containing or producing salt: saliferous strata.
- salubrious — favorable to or promoting health; healthful: salubrious air.
- saxicavous — (of molluscs) tending to bore holes or hollow out rocks
- saxicolous — living or growing among rocks.
- scandalous — disgraceful; shameful or shocking; improper: scandalous behavior in public.
- scarabaeus — scarab (defs 2, 3).
- school bus — a vehicle used to transport students to and from school or used for other related purposes.
- scindapsus — any plant of the tropical Asiatic climbing genus Scindapsus, typically stem rooting, esp S. aureus and S. pictus, grown as greenhouse or house plants for their leathery heart-shaped variegated leaves: family Araceae
- scrofulous — pertaining to, resembling, of the nature of, or affected with scrofula.
- scrupulous — having scruples, or moral or ethical standards; having or showing a strict regard for what one considers right; principled: scrupulous about defending human rights.
- scrutinous — strict, thorough
- scurrilous — grossly or obscenely abusive: a scurrilous attack on the mayor.
- sebiferous — producing or carrying a fatty, oily, or waxlike substance
- semichorus — half of a chorus; part of a chorus to be sung by a portion but not all of the singers
- sequacious — following with smooth or logical regularity.
- serotinous — late in occurring, developing, or flowering.
- sestertius — sesterce.
- setiferous — having setae or bristles.
- setigerous — having setae or bristles.
- simplicius — Saint, died a.d. 483, pope 468–483.
- sinistrous — ill-omened; unlucky; disastrous.
- slanderous — defamation; calumny: rumors full of slander.
- slow virus — a virus that remains dormant in the body for a long time before producing symptoms, as in several neurological diseases, including kuru and Creutzfeldt-Jakob disease.
- slumberous — sleepy; heavy with drowsiness, as the eyelids.
- soft focus — an image, often created by a special lens, that is recognizable but somewhat blurred or diffused.
- solicitous — anxious or concerned (usually followed by about, for, etc., or a clause): solicitous about a person's health.
- soniferous — conveying or producing sound.
- spadiceous — Botany. of the nature of a spadix. bearing a spadix.
- spinaceous — pertaining to or of the nature of spinach; belonging to the amaranth family of plants.
- spirituous — containing, of the nature of, or pertaining to alcohol; alcoholic.
- spondylous — relating to a vertebra or vertebrae