Definition

1. Adjective (Predicative): Available and ready for immediate use when needed.
2. Adjective (Predicative): (Of a liquid, especially beer) Drawn from a cask or keg via a tap, rather than being bottled or canned.

Usage

• This phrase functions as an adjective and is typically used after a linking verb like "be," "have," or "keep."
• It describes resources, information, or people that are prepared and accessible.
• For the liquid meaning, it is most commonly used to describe beer served directly from a barrel.

Examples

• Adjective (Available):
  • The company keeps a list of qualified freelancers on tap for busy periods.
  • We have fresh data on tap for the meeting.
  • She has several good ideas on tap for the new campaign.
• Adjective (Liquid):
  • The pub has a fantastic local ale on tap.
  • Is the lager on tap or is it bottled?

Advanced Usage

• "to have something on tap": To have something readily available or in reserve.
  • As a writer, you need to have a few story ideas on tap at all times.
• "to keep something on tap": To maintain the availability of something for future use.
  • The manager likes to keep a replacement on tap in case of illness.

Variants and Related Words

• On hand (adj. phrase): Similar in meaning to "available for use." ()
• On call (adj. phrase): Specifically ready to work if summoned. ()
• On draft (adj. phrase): A synonym specifically for beer served from a tap. (Chiefly US: )

Synonyms

• Available
• Accessible
• Ready
• At the ready
• In reserve

Antonyms

• Unavailable
• Inaccessible
• Out of reach

Related Phrases

• On tap does not commonly form phrasal verbs. Its usage is fixed as an adjectival phrase.

Idioms

• The phrase itself is idiomatic. The imagery comes from having a liquid (like beer) literally "on tap," ready to flow, which extended metaphorically to other readily available resources.

Adjective

1. available for immediate use
   • extra personnel on tap
   • other sports and entertainment facilities are on tap
   • there are numerous projects on tap
2. (of liquids) available by turning a tap
   • ale on tap
   • hot and cold running water on tap