In this article, we will look into various French adjectives that start with the letter “O.” Each adjective is presented in bold, followed by its description and usage.
List of French Adjectives Starting with O
- obéissant – Obedient, someone who listens and complies with instructions or commands.
- objectal – Relating to an object or objective, typically in philosophical contexts.
- objectif – Objective, something that is goal-oriented or practical.
- oblatif – Oblative, relating to the act of giving or offering something, often in religious contexts.
- obligatoire – Mandatory, something that must be done or followed.
- oblique – Oblique, slanting or inclined, often referring to angles or directions.
- oblong – Oblong, describing a shape that is longer than it is wide.
- obscène – Obscene, offensive or morally inappropriate in nature.
- obscur – Obscure, not clear or hard to understand.
- obstiné – Stubborn, determined not to change one’s opinion or position.
- obtus – Obtuse, blunt in shape or slow to understand.
- obtusangle – Blunt-angled, referring to a shape with obtuse angles.
- obtusifolié – Having blunt or rounded leaves, typically used in botany.
- obvie – Obvious, clear or easily understood.
- occasionnel – Occasional, something happening from time to time but not regularly.
- occidental – Western, relating to the western part of the world or culture.
- occipital – Occipital, pertaining to the back of the head or skull.
- océanien – Oceanic, related to the ocean or its ecosystems.
- océanique – Oceanic, pertaining to the vast expanse of the ocean.
- ocre – Ochre, a yellow or reddish-brown color.
- ocreux – Ocreous, having the color or texture of ochre.
- odieux – Odious, something deserving of hatred or strong dislike.
- odorant – Odorous, having a noticeable smell, especially a strong one.
- odoriférant – Odoriferous, producing or emitting a noticeable scent.
- odylique – Odyllic, related to or resembling a force or energy called “od” in metaphysical contexts.
- oléagineux – Oily, often used to describe plants that produce oils.
- olfactif – Olfactory, related to the sense of smell.
- olympien – Olympian, related to the ancient Greek gods or the Olympic Games.
- olympique – Olympic, related to the modern Olympic Games.
- ombellé – Umbelliform, shaped like an umbrella or having a similar structure.
- ombragé – Shaded, covered with shade or shadow.
- ombreux – Shady, offering shelter from the sun or covered in shadow.
- omineux – Ominous, suggesting something bad or harmful is about to happen.
- omniforme – Omniform, having all shapes or forms.
- omnipotent – Omnipotent, all-powerful, having unlimited power.
- omniprésent – Omnipresent, present everywhere at the same time.
- omniscient – Omniscient, knowing everything.
- omnivore – Omnivorous, eating both plant and animal food.
- oncogène – Oncogenic, related to the formation of cancer.
- onctueux – Oily or greasy in texture.
- ondoyant – Wavy, moving in a smooth, wave-like manner.
- ondulant – Undulating, having a smooth, wave-like motion.
- ondulé – Wavy, having curves or bends resembling waves.
- onéreux – Expensive or costly.
- onirique – Dreamlike, resembling or characteristic of a dream.
- opalescent – Opalescent, showing a play of colors like an opal.
- opaque – Opaque, not transparent or not allowing light to pass through.
- opérable – Operable, capable of being operated on or fixed.
- opératif – Operational, able to function or be put into action.
- opérationnel – Operational, ready to be used or functional.
- opératoire – Surgical or related to operations, especially in a medical context.
- optimal – Optimal, the best or most effective condition or result.
- optimiste – Optimistic, having a positive outlook or hopefulness.
- optionnel – Optional, not mandatory, able to be chosen.
- opulent – Opulent, rich and luxurious in appearance or style.
- orageux – Stormy, characterized by or resembling a storm.
- oral – Oral, relating to the mouth or speaking.
- oratoire – Oratorical, pertaining to the art of public speaking.
- ordinaire – Ordinary, common or not special.
- ordinal – Ordinal, related to position in a sequence.
- ordonné – Ordered, organized or arranged systematically.
- organique – Organic, related to living organisms or natural substances.
- organisé – Organized, arranged or structured in an efficient way.
- orgueilleux – Proud, having a high opinion of oneself.
- oriental – Oriental, relating to the East, especially East Asia or the Middle East.
- original – Original, unique or new, not copied from others.
- originel – Original, referring to the beginning or source of something.
- ornemental – Ornamental, decorative rather than functional.
- orthopédique – Orthopedic, relating to the correction of bones and muscles.
- orthogonal – Orthogonal, perpendicular or at right angles.
- orthographique – Orthographic, relating to spelling or written language.
- oscilant – Oscillating, moving back and forth in a regular pattern.
- osé – Bold, daring, or cheeky in a manner.
- osmique – Osmic, relating to or having properties similar to osmium.
- osseux – Bony, made of or resembling bone.
- ostensible – Ostensible, appearing to be true but possibly not.
- ostensif – Ostensive, clearly displaying or showing something.
- ostentatoire – Ostentatious, designed to attract attention or show off.
- ostrogothique – Ostrogothic, related to the Ostrogoths or their style.
- otologique – Otological, relating to the study or treatment of the ear.
- ouaté – Padded, soft, or quilted in texture.
- outragé – Outraged, deeply shocked or angry.
- outrageux – Outrageous, extremely shocking or unacceptable.
- outrancier – Exaggerated, flamboyant, or excessively showy.
- outré – Over the top, extreme or exaggerated in manner.
- outrecuidant – Presumptuous, overly confident or arrogant.
- ouvert – Open, not closed or easily accessible.
- ovoïdal – Ovoid, having the shape of an egg.
- ovipare – Oviparous, producing eggs that hatch outside the body.
- oxydable – Oxidizable, capable of reacting with oxygen or corroding.
- oxydant – Oxidizing, causing or involved in oxidation.
