Now or never: Abbr.

• Daily or weekly, e.g.: Abbr
• Now or never, in Eng. class
• "Briefly," e.g., briefly
• Hardly or softly, briefly
• Purely or simply: Abbr.
• Daily or weekly: Abbr.
• Dictionary abbr
• Natl. Dog Show promoter
• Word often ending in -ly: Abbr

Wiktionary Word definitions in Wiktionary
n. (abbreviation of adverb English)