Definition

1. Adjective:

   • Occurring twice a week: Happening or appearing two times in a single week.
   • Occurring every two weeks: Happening or appearing once in a period of two weeks; fortnightly.

2. Adverb:

   • Every two weeks: At intervals of two weeks.
   • Twice a week: At intervals of half a week; semiweekly.

3. Noun:

   • A periodical published twice a week or every two weeks: A magazine, journal, or newspaper that is issued either 104 times a year (twice weekly) or 26 times a year (every two weeks).

Usage Examples

• Adjective:

  • The team holds biweekly meetings on Mondays and Thursdays. (Meaning: twice a week)
  • Employees receive a biweekly paycheck. (Meaning: every two weeks)

• Adverb:

  • The committee convenes biweekly. (This sentence is ambiguous without context; it could mean either every two weeks or twice a week.)
  • The medication should be taken biweekly. (Context is needed to clarify the frequency.)

• Noun:

  • She writes a column for a local biweekly. (The publication schedule of the periodical must be known from context.)

Advanced Usage and Notes

• Ambiguity Warning: The word "biweekly" is inherently ambiguous. It can mean either "twice per week" or "once every two weeks." This dual meaning often requires clarification from context.
• Clarity in Communication: To avoid confusion, it is often better to use more precise terms:
  • Use "semiweekly" or "twice-weekly" for events happening twice a week.
  • Use "fortnightly" or "every two weeks" for events happening once every two weeks.

Variants and Related Words

• Semiweekly (adj/adv/n): Specifically means occurring twice a week. (e.g., a semiweekly newsletter).
• Fortnightly (adj/adv): Chiefly British; means occurring every two weeks. (e.g., a fortnightly magazine).
• Bimonthly (adj/adv/n): Has a similar dual ambiguity, meaning either twice a month or every two months.

Synonyms

• For "twice a week": Semiweekly, twice-weekly.
• For "every two weeks": Fortnightly, every other week.

Related Phrases and Clarifications

• "Paid biweekly": Typically understood in employment contexts to mean receiving salary every two weeks.
• "Published biweekly": Must be clarified by the publisher, as it could mean either 26 or 104 issues per year.

Adjective

1. occurring twice a week
2. occurring every two weeks

Adverb

1. every two weeks
   • he visited his cousins fortnightly
2. twice a week
   • he called home semiweekly

Noun

1. a periodical that is published twice a week or every two weeks (either 104 or 26 issues per year)