Definition of -ly suffix from the Oxford Advanced Learner's Dictionary

  1. 1(in adverbs) in the way mentioned happily stupidly
  2. 2(in adjectives) having the qualities of cowardly scholarly
  3. 3(in adjectives and adverbs) at intervals of hourly daily More Like This Suffixes -able, -age, -al, -ance, -ant, -arian, -ary, -dom, -ee, -er, -ese, -esque, -ess, -fold, -ful, -hood, -ify, -ion, -ish, -ism, -ist, -ista, -ite, -itis, -ize, -less, -let, -ling, -ly, -ment, -most, -ness, -oid, -or, -ous, -shipSee worksheet.
See the Oxford Advanced American Dictionary entry: -ly