Stop and go, e.g.: Abbr

• H and C, on faucets
• Antonyms: Abbr.
• They may be polar: Abbr
• Enemies, in slang
• They sometimes attract: Abbr
• Big and small, e.g.: Abbr
• Pos. and neg
• Antonyms: Abbr

Wiktionary Word definitions in Wiktionary
interj. (misspelling of oops English)