one

Meanings

1. 1
   num

   The number 1; the smallest counting number.

   I have one brother and two sisters.

2. 2
   pron

   A single person or thing already mentioned or from a group.

   I tried on several jackets and bought the blue one.

3. 3
   pron

   Any person; people in general.

   One should always be polite to guests.

4. 4
   adj

   Single; forming a single whole.

   Three chemicals combined into one solution.

Common collocations

• one day Adjective + noun
• one time Adjective + noun
• one way Adjective + noun

PIE word *h₁óynos From Middle English oon, on, oan, an, from Old English ān (“one”), from Proto-West Germanic *ain, from Proto-Germanic *ainaz (“one”), from Proto-Indo-European *h₁óynos (“single, one”). Doublet of an. Cognate with Scots ae, ane, wan, yin (“one”); North Frisian ån (“one”); Saterland Frisian aan (“one”); West Frisian ien (“one”); Dutch een, één (“one”); German Low German een; German ein, eins (“one”); Danish en (“one”); Swedish en (“one”); Norwegian Nynorsk ein (“one”), Icelandic einn (“one”); Latin ūnus (“one”) (Old Latin oinos); Russian оди́н (odín), Spanish uno. Doublet of a…

Topics

External links

• Cambridge Dictionary
• Wiktionary
• Google Images