Definition of tip-off in English:



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

    ‘arrests came after a tip-off from a member of the public’
    • ‘People pass on anonymous tip-offs using the charity's hotline or website.’
    • ‘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.’
    • ‘The police have pledged to act on all genuine tip-offs.’
    • ‘This was discovered after a tip-off by Special Forces.’
    • ‘His tip-off to police landed Bailey with a five-year jail sentence when he appeared at York Crown Court.’
    • ‘Criminal investigation officers lay in wait for the delivery people following a tip-off.’
    • ‘Acting on a tip-off, organised crime investigators recovered the stolen material - mainly steel girders - from three independent dumps last week.’
    • ‘Greenwich Council's corporate anti-fraud team launched an investigation following an anonymous tip-off.’
    • ‘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.’
    • ‘Many arrests proved doubtful with large numbers of detainees held on flimsy evidence after politically motivated tip-offs by local rivals.’
    • ‘The Met police's Anti-Corruption Command arrested the men this morning following a tip-off by BT earlier this year.’
    • ‘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.’
    • ‘Almost £ 60,000 of benefit fraud has been investigated in the Braintree area as a direct result of tip-offs to a confidential hotline.’
    • ‘Tip-offs about possible bribes do trickle in from whistleblowers, overseas embassies and investigative journalists.’
    • ‘Well if you didn't know the election was less than a month away, the latest ads and attacks might be a tipoff.’
    • ‘Officers, who launched the raid after a tip-off, also found 31 rounds of 9 mm ammunition stored in a sock.’
    • ‘The measures were taken after South Yorkshire detectives received a tip-off that Nelson was in danger.’
    • ‘Police have urged residents to keep calling them with information after a tip-off led to an arrest.’
    • ‘Barnes was only found following a tip-off from a member of the public.’
    • ‘Web site tip-offs to the Business Software Alliance (BSA) have led to heavy software piracy fines for two UK companies.’
    piece of information, message, alert, prompt, warning, forewarning
    View synonyms
  • 2Basketball
    An act of starting a game or period by means of a jump ball in the centre of the court.

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