Spectacular, Dazzling and Astounding

impressive

/ɪmˈprɛsɪv/

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adjective

adjective: impressive

1. evoking admiration through size, quality, or skill; grand, imposing, or awesome.

   "an impressive view of the mountains"

   synonyms:

   magnificent, majestic, imposing, splendid, spectacular, grand, august, awe-inspiring, stirring, stunning, breathtaking;  stately, monumental, palatial, noble, dignified "the hall is an impressive building" admirable, accomplished, expert, skilled, skilful, masterly, consummate; excellent, formidable, outstanding, first-class, first-rate, fine; informalgreat, mean, nifty, cracking, crack, stellar, ace, wizard, amazeballs; informalcrackerjack, badass "they played some impressive football"

   antonyms:

   unimpressive, ordinary, mediocre

dazzling

/ˈdazlɪŋ/

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adjective

adjective: dazzling

1. extremely bright, especially so as to blind the eyes temporarily.

   "the sunlight was dazzling"

   synonyms:

   extremely bright, blinding, glaring, brilliant, gleaming, shining "the sunlight was dazzling"

   • extremely impressive, beautiful, or skilful.

     "a dazzling display of football"

     synonyms:

     impressive, remarkable, extraordinary, outstanding, exceptional, staggering, incredible, amazing, astonishing, phenomenal, coruscating, imposing, breathtaking, thrilling; excellent, wonderful, magnificent, splendid, marvellous, superb, very good, first-rate, first-class, awe-inspiring, superlative, matchless, peerless;  informalmind-boggling, mind-blowing, out of this world, fabulous, fab, super, supercalifragilisticexpialidocious, fantastic, tremendous, great, terrific, stellar, sensational, ace, A1, cool, awesome, amazeballs, magic, wicked, tip-top, top-notch, out of sight, way-out;  informalbrill, smashing;  informalbadass;  informalbonzer;  informalcapital, spiffing, topping, top-hole, wizard;  literarywondrous "they turned in yet another dazzling performance"

1. 
   
2. splendid

   /ˈsplɛndɪd/

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   adjective

   adjective: splendid

   1. magnificent; very impressive.

      "a splendid view of Windsor Castle"

      synonyms:

      magnificent, sumptuous, grand, impressive, imposing, superb, spectacular, resplendent, opulent, luxurious, palatial, deluxe, rich, fine, costly, expensive, lavish, ornate, gorgeous, glorious, dazzling, elegant, handsome, beautiful; More

      antonyms:

      modest, unimpressive, ordinary, undistinguished

      • INFORMAL

        excellent; very good.

        "a splendid fellow"

        synonyms:

        excellent, wonderful, marvellous, magnificent, superb, glorious, sublime, lovely, delightful, first-class, first-rate; More

        antonyms:

        dreadful, awful, horrible

   
   

   stupendous

   /stjuːˈpɛndəs/

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   adjective

   adjective: stupendous

   1. extremely impressive.

      "the most stupendous views"

      synonyms:

      amazing, astounding, astonishing, extraordinary, remarkable, wonderful, prodigious, phenomenal, staggering, breathtaking;  informalfantastic, mind-boggling, mind-blowing, great, terrific, awesome, unreal, amazeballs;  literarywondrous "truly stupendous achievements"

      antonyms:

      run-of-the-mill, ordinary

astounding

/əˈstaʊndɪŋ/

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adjective

1. surprisingly impressive or notable.

   "the summit offers astounding views"

   synonyms:

   amazing, astonishing, staggering, shocking, surprising, breathtaking, striking, impressive, bewildering, stunning, stupefying;  unnerving, unsettling, disturbing, disquieting;  awe-inspiring, remarkable, notable, noteworthy, extraordinary, outstanding, incredible, unbelievable, phenomenal, uncommon, unheard of;  informalmind-boggling, mind-blowing, hard to swallow, amazeballs "his speed and fitness were astounding"