Definition of implacable in English:

implacable

adjective

  • 1Unable to be appeased or placated:

    ‘he was an implacable enemy of Ted's’
    • ‘Do they imagine that the timely renunciation of resolve can placate an implacable foe?’
    • ‘The man who is supposed to be protecting them is somehow their fiercest and most implacable enemy.’
    • ‘Her attitude to the new contracts remained implacable.’
    • ‘But this would also be a process in which constitutional nationalism adopted a harder and more implacable position.’
    • ‘He felt a mixture of anger, frustration and hopelessness at fighting against a seemingly implacable system.’
    • ‘Here there is, as I find, no such opposition and certainly no implacable hostility on mother's part.’
    • ‘Your nation endured the blitz to prevail over an implacable foe.’
    • ‘Rationally, most people understand that civilised life in this country faces a heartless and implacable foe who is prepared to strike as often and as cruelly as possible.’
    • ‘Hardly a week goes by without some industry organisation stating its implacable opposition to the idea.’
    • ‘He was conscious though, and gave her a glare of implacable hatred.’
    • ‘When the young girl refuses, the two become implacable opponents.’
    • ‘Jack, resolute, determined, implacable, was never much for glad - handing.’
    • ‘Yet the market remains implacable - febrile and unknowable.’
    • ‘I am an implacable opponent of most of what this government does.’
    • ‘And what he saw inspired in him a deadly, implacable hatred.’
    • ‘Investigations by The Sunday Times indicate that he will face implacable opposition from every Premiership club.’
    • ‘Maybe they see insects as implacable foes, sure to strike fear in the hearts of enemies.’
    • ‘In more civilized times even the most implacable enemies were treated with dignity.’
    • ‘Today's enemy, however, is not a philosophy that condemned millions, but an implacable, unappeasable, pitiless fanaticism that exists on the very fringes of humanity.’
    • ‘It is easy dealing with an implacable enemy.’
    unappeasable, unpacifiable, unplacatable, unmollifiable, unforgiving, unsparing, grudge-holding
    inexorable, intransigent, adamant, determined, unshakeable, unswerving, unwavering, inflexible, unyielding, unbending, uncompromising, unrelenting, relentless, ruthless, remorseless, merciless, pitiless, heartless, cruel, hard, harsh, stern, steely, tough
    View synonyms
    1. 1.1 Unable to be stopped; relentless:
      ‘the implacable advance of the enemy’
      • ‘This madness is the implacable and relentless determination to kill insight and awareness, even at the expense of destroying the island they depend on.’
      • ‘But his hostility to the devil is implacable, utter, and steely.’
      • ‘English fortresses fell one by one before his implacable determination.’
      • ‘The movie's pace is as relentless and implacable as its villain.’

Origin

Late Middle English: from Latin implacabilis, from in- not + placabilis (see placable).

Pronunciation:

implacable

/ɪmˈplakəb(ə)l/