Definition of tip-off in English:


(also tipoff)


  • 1informal A piece of information, typically one given in a discreet or confidential way.

    • ‘Almost £ 60,000 of benefit fraud has been investigated in the Braintree area as a direct result of tip-offs to a confidential hotline.’
    • ‘The internal affairs department of Greater Manchester Police launched an investigation earlier this year after a tip-off that a journalist had infiltrated their ranks.’
    • ‘Criminal investigation officers lay in wait for the delivery people following a tip-off.’
    • ‘The Met police's Anti-Corruption Command arrested the men this morning following a tip-off by BT earlier this year.’
    • ‘Police have re-opened an 83-year-old case of a missing teenage girl following a tip-off from a relative that she may have been murdered.’
    • ‘Well if you didn't know the election was less than a month away, the latest ads and attacks might be a tipoff.’
    • ‘The measures were taken after South Yorkshire detectives received a tip-off that Nelson was in danger.’
    • ‘Only traces of ricin - and the equipment to make it - were found at the flat following a tip-off and a joint operation by Scotland Yard and MI5.’
    • ‘Greenwich Council's corporate anti-fraud team launched an investigation following an anonymous tip-off.’
    • ‘Web site tip-offs to the Business Software Alliance (BSA) have led to heavy software piracy fines for two UK companies.’
    • ‘The police have pledged to act on all genuine tip-offs.’
    • ‘His tip-off to police landed Bailey with a five-year jail sentence when he appeared at York Crown Court.’
    • ‘Officers, who launched the raid after a tip-off, also found 31 rounds of 9 mm ammunition stored in a sock.’
    • ‘Many arrests proved doubtful with large numbers of detainees held on flimsy evidence after politically motivated tip-offs by local rivals.’
    • ‘Police have urged residents to keep calling them with information after a tip-off led to an arrest.’
    • ‘This was discovered after a tip-off by Special Forces.’
    • ‘Acting on a tip-off, organised crime investigators recovered the stolen material - mainly steel girders - from three independent dumps last week.’
    • ‘People pass on anonymous tip-offs using the charity's hotline or website.’
    • ‘Barnes was only found following a tip-off from a member of the public.’
    • ‘Tip-offs about possible bribes do trickle in from whistleblowers, overseas embassies and investigative journalists.’
    piece of information, message, alert, prompt, warning, forewarning
    hint, idea, cue, clue, lead
    information received, evidence, advice, information, notification
    View synonyms
  • 2usually tipoffA jump ball that begins each period in a basketball game (used especially in reference to the first tipoff of the game)

    ‘the news of his injury came just two hours before tipoff’
    • ‘Killester were under the cosh from the tip-off, trailing 12-5 within minutes and behind 45-35 at the half.’
    • ‘Here are some situations that happen every game, baseline out-of-bounds, tip-off, sideline out-of-bounds, free throws and end game scenarios.’
    • ‘I was extremely excited about starting in the season's first basketball game, and I wound up getting the tip-off.’
    • ‘A recent trip to a Celtics game required eating before tipoff and again when she got home.’
    • ‘There should be a tipoff at the net at the beginning of every set, too.’



/ˈtip ˌôf/