12-letter words that end in ous
- misventurous — characterized by a mishap
- mock-serious — pretending to be serious as a joke, etc
- momentaneous — brief or continuing for a short time only
- monadelphous — (of stamens) united into one bundle or set by their filaments.
- monopetalous — gamopetalous.
- monophyllous — consisting of one leaf, as a calyx.
- monosepalous — gamosepalous.
- monospermous — having one seed.
- monostichous — (of parts) forming one row
- monotrichous — (of bacteria) having a single flagellum at one pole.
- moschiferous — giving off or producing musk
- mucilaginous — of, relating to, or secreting mucilage.
- multifarious — having many different parts, elements, forms, etc.
- multiflorous — bearing many flowers, as a peduncle.
- multiloquous — Very talkative.
- multivarious — Many and various.
- mycetomatous — relating to or affected by a mycetoma
- myxedematous — a condition characterized by thickening of the skin, blunting of the senses and intellect, and labored speech, associated with hypothyroidism.
- myxomycetous — of or relating to a slime mold.
- necrophagous — That eats dead or decaying animal flesh.
- necrophilous — displaying a preference for dead tissue, esp of certain bacteria and insects
- necrophorous — denoting animals, such as certain beetles, that carry away the bodies of dead animals
- neuropterous — belonging or pertaining to the Neuroptera, an order of insects characterized by four membranous wings having netlike venation, comprising the ant lions, lacewings, dobsonflies, alderflies, fishflies, snakeflies, mantispids, and spongillaflies.
- nitrophilous — (of plants) growing in soil well supplied with nitrogen
- noctambulous — of, relating to, or given to sleepwalking.
- non-covetous — inordinately or wrongly desirous of wealth or possessions; greedy.
- non-luminous — radiating or reflecting light; shining; bright.
- non-lustrous — having luster; shining; luminous: lustrous eyes.
- non-spurious — not genuine, authentic, or true; not from the claimed, pretended, or proper source; counterfeit.
- nonambiguous — not ambiguous, clear
- noncancerous — (of tissue) not cancerous, benign
- nonconscious — aware of one's own existence, sensations, thoughts, surroundings, etc.
- nonfrivolous — not frivolous
- nonglamorous — not glamorous
- nonhazardous — Not hazardous; safe.
- nonpoisonous — full of or containing poison: poisonous air; a poisonous substance.
- nonreligious — of, relating to, or concerned with religion: a religious holiday.
- nonunanimous — not unanimous
- nonvexatious — Not vexatious.
- np-hilarious — (humour) An algorithm whose complexity is a joke, either literally, as in BogoSort, or metaphorically.
- obreptitious — having the characteristics of acquiring something by deceitful means
- obstreperous — resisting control or restraint in a difficult manner; unruly.
- ochroleucous — having an off-white colour or a white colour tinted with yellow
- octastichous — relating to a particular coiled distribution of leaves on the stem that is characterized by having eight leaves per coil on the stem
- octopetalous — containing or consisting of eight petals
- octosepalous — having or consisting of eight sepals
- odontomatous — relating to an odontoma
- oleoresinous — pertaining to, characteristic of, or containing oleoresin.
- oligophagous — (especially of insects) eating only a few types of food.
- ombrophilous — (of plants) tolerant of wet conditions