de unul singur

• де унул сингур (de unul singur) — post-1930s Cyrillic spelling

Literally, “by one alone”.

de unul singur (female equivalent de una singură)

1. by oneself (without company)

   Synonym: singur

   a vorbi de unul singur ― to talk to oneself

   Unii consideră că este ciudat să mergi la cinematograf de unul singur.

   Some think it strange to go to the cinema by oneself.

2. by oneself (without help)

   Synonym: singur

3. by oneself (without external cause)

   Synonyms: de la sine, singur

   Nu se poate să se fi aprins becul de unul singur.

   The lightbulb couldn’t have turned on by itself.

• singur in DEX online—Dicționare ale limbii române (Dictionaries of the Romanian language)