free of charge

adv 0.638

guiltlessly

adv 0.606

free

adv 0.593

freely

adv 0.586

blamelessly

adv 0.574

no questions asked

adv 0.551

no strings attached

adv 0.544

no sweat

adv 0.541

for nothing

adv 0.540

faultlessly

adv 0.536

flawlessly

adv 0.529

gratuitously

adv 0.528

spotlessly

adv 0.521

gratis

adv 0.521

all expenses paid

adv 0.520

painlessly

adv 0.519

unscrupulously

adv 0.516

scathingly

adv 0.516

carte blanche

adv 0.514

fearlessly

adv 0.506

unrestrictedly

adv 0.503

unproblematically

adv 0.501

unconditionally

adv 0.501

ex gratia

adv 0.501