#obsolete

• Loose woman (obsolete slang) — An old, obsolete slang term previously used in underworld circles or suburban vernacular with a direct pejorative connotation to denote a woman considered depraved, vulgar, or immoral.
• Achromatism — A secondary or historical graphic and spelling variant of the term 'acromatism'; it defines the structural property of an optical system to transmit white light beams without splitting them into parasitic chromatic components. In older technical texts or 19th-century manuscripts, it represented the transcription standard before modern terminological standardization.
• Sacrum — An obsolete, rare graphic variant or faulty transcription for the sacrum bone (os sacrum); the large triangular bony piece located at the base of the vertebral column, formed by the structural fusion of the five sacral vertebrae, articulating laterally with the iliac bones to close the pelvic girdle.
• Archaic legal action — An archaic or regional linguistic form used in the past to designate a legal action, a formal petition, or a complaint submitted to a court or authority; it may also represent a truncated or popular variant of the modern term 'acțiune'. This word documents the lexical evolution of administrative and legal terms in the Romanian language, being rarely encountered, exclusively in old texts or archival documents.
• Regional bird name — A rare regional name used in certain folk dialects of the Balkan area to designate a species of nocturnal bird of prey or a type of small migratory bird; a word structurally preserved in the archaic rural lexicon. This term retains nuances of traditional avian onomastics, being very rarely used outside ethnographic texts or local dialectology glossaries.
• Sluggish person — A regional, popular, or archaic term used in certain dialects to describe a slow-moving, lazy, sluggish, or shiftless person; a word structurally used pejoratively within traditional rural environments. This qualifier preserves archaic nuances from old vernacular speech, being encountered extremely rarely, exclusively in folklore collections or dialectology glossaries.
• Adam-Babadam — A regional, archaic, or legendary toponymic formula used in certain micro-regions of southeastern Romania to designate a remote, isolated place or an ancient settlement with obscure origins; also used in popular fairy tales as a compound proper name attributed to a mythological character or a giant from the beginning of time. This structural term retains nuances of traditional onomastics influenced by Turkish and Balkan lexicons.
• Sheltering — An obsolete graphical and phonetic variant of the word 'adăpostitor', used in 19th-century administrative, legal, or literary texts. As an adjective, it describes an element, wall, screen, or roof possessing the structural property of offering protection, safety, and shelter against harsh weather; as a noun, it designated a person or institution acting as a protector or solemn host.
• Adaptation — An obsolete noun form used in 19th-century and early 20th-century legal, philosophical, or scientific texts as a variant for the process of adapting or fitting something to new circumstances. The term was gradually replaced in modern Romanian by the standardized forms 'adaptare' and 'adaptație', currently remaining a historical indicator of neologistic vocabulary evolution.
• Additional — An obsolete graphical and phonetic variant of the word 'adăugător', used in 19th-century administrative, legal, or theological texts. As an adjective, it describes an element, numerical factor, clause, or component possessing the property of bringing an addition, magnification, completion, or structural expansion to an existing base.
• Aeroplane piloting — A rare historical term used during the early days of aviation to designate the art, technique, or act of navigating and piloting an aeroplane. This structural concept evoked the collective practical knowledge related to controlling fixed-wing aircraft, being later completely replaced by the modern term 'piloting' or included within the broader scope of aviation.
• Archaic aerostation — An archaic or obsolete linguistic variant of the term 'aerostație'; the art or technique of navigating the atmosphere using lighter-than-air craft. The term is encountered exclusively in old legal documents, literary magazines from the early 20th century, or early translations of scientific manuscripts from French.
• Archaic plot structure — An archaic or obsolete linguistic variant of the term 'afabulație'; the structural mode, canvas, or weave upon which the plot and storyline of a literary or dramatic work are constructed. It is encountered isolatedly in cultural magazines from the early 20th century or in early criticism studies, later completely replaced by the modern variant.
• Actinium variant — An archaic graphic form or transliteration used in 19th-century science textbooks for the chemical element actinium; a Latinized literary name designating substances or compounds with specific radiant structural properties. In modern terminology, the term has been completely replaced by internationally standardized forms.
• Lemon balm — Obsolete spelling variant (using internal 'î' according to pre-1993 orthographic rules) for the regional term 'alămâie'; a popular name used in certain dialects for lemon or for the aromatic medicinal plant lemon balm (Melissa officinalis). Its leaves emit a refreshing citrus scent and are valued in traditional phytotherapy for their sedative and antispasmodic properties.
• Little lemon balm — Obsolete spelling variant (using internal 'î' according to pre-1993 orthographic rules) for 'alămâioară'; a popular and affective diminutive used in rural areas to denote a small lemon or the aromatic medicinal plant called lemon balm or melissa (Melissa officinalis). In the lyrical creations of traditional folklore, the word was employed as a chromatic or olfactory metaphor to suggest freshness, serene youth, or a delicate paleness of the face.
• Sweet mock-orange — Obsolete spelling variant (using internal 'î' according to pre-1993 orthographic rules) for 'alămâiță'; a popular name used to denote the ornamental shrub called sweet mock-orange (Philadelphus coronarius), whose white flowers have an intense scent reminiscent of citrus fruits, or the aromatic medicinal plant known as lemon balm (Melissa officinalis). Its dried leaves and flowers were used in traditional households for scenting linens and as a phytotherapeutic remedy against migraines.
• Brass-colored — Obsolete spelling variant (using internal 'î' according to pre-1993 orthographic rules) for 'alămiu'; having the color of brass, being of a bright reddish-yellow or greenish-yellow with metallic reflections specific to the copper-zinc alloy. It is used in older literary, technical, or academic texts to describe the warm shade of patinated metal objects or the specific light of the sunset.
• Bluish — Obsolete spelling variant (with the ending '-iu' instead of '-ui') for the color adjective 'albăstrui'; tending toward blue, having a faint, secondary, or faded shade of azure. The term is found in 19th-century and early 20th-century literary, administrative, or academic texts to describe the discrete reflections of water, sky, or smoke.
• Albuminones — A name attributed in older biochemical literature to intermediate proteinaceous products, similar to peptones, resulting during the initial phases of the hydrolysis or enzymatic digestion of albumins.