Words That Rhyme With "Slightly" :
2 syllables:
Attlee, brightly, brutely, christly, cutely, drily, dryly, fatly, featly, fitly, gately, greatly, highly, hotly, idly, kiley, knightly, kylie, lightly, meetly, mighty, miley, motley, mottley, mutely, neatly, nightie, nightly, nighty, Outley, Philae, pily, rattly, Reilly, rightly, righty, riley, ripely, shyly, sightly, smiley, snidely, sprightly, spryly, squatly, stately, stoutly, sweetly, tautly, tightly, tiley, tritely, Wheatley, wheatly, whitely, whitey, Whitley, whitly, whity, widely, Wiley, wily, wryly, Wylie
3 syllables:
acutely, adroitly, airtightly, almighty, ancile, astutely, contritely, devoutly, discreetly, discretely, downrightly, effetely, forthrightly, fortnightly, innately, midnightly, ornately, politely, remotely, sedately, sedile, unknightly, unsightly, uprightly
4 syllables:
Amphitrite, Aphrodite, arborvitae, bifurcately, eruditely, impolitely, indevoutly, indiscreetly, maladroitly, reconditely