Synonyms of highly

1 Syllable
right, oft, so, real
2 Syllables
bloody, mucho, parlous, deeply, really, vastly, mighty, greatly, awful, plenty, jolly
3 Syllables
hugely, mightily, notably, frightfully, awfully, powerful, thoroughly, profoundly, terribly, sweepingly, strikingly, horribly
4 Syllables
plentifully, immensely, tremendously, eminently, exceedingly, remarkably, supremely, reputably, surpassingly, prominently, staggeringly, extremely, luxuriantly, assiduously, drastically, decidedly, disturbingly
5 Syllables
unconscionably, immeasurably, incalculably, astonishingly, discouragingly, indispensably, terrifically, exorbitantly, meticulously, exceptionally
6 Syllables
extraordinarily, exaggeratedly, prohibitively