Synonyms for Much:

adj.

important (adjective)
considerable.
plenty (adjective)
generous, considerable, copious, plentiful, full, profuse, extravagant, immeasurable, substantial, abundant, sufficient, voluminous, satisfying, adequate, ample, endless, enough, complete, countless, everywhere, lavish, many.

adv

awfully (adverb)
immensely.

adv.

awfully (adverb)
extremely.
extremely (adverb)
very.
greatly, a lot (adverb)
indeed, very, extremely.

n.

memorable, prominent, eventful, inconsiderable, weighty, little, pressing, important, a good/great deal of something, all manner of something, salient, quite a few, telling, principal, critical, quantity, stirring, urgent, a lot/lots, signal, notable, considerable, trenchant, momentous, first-rate, a load of/loads of something, paramount, leading, significant, serious. everywhere, copious, lavish, overwrought, rate, sufficient, full, generous, basis, insufficient, irregular, fabulous, time, satisfying, countless, abundant, extravagant, profuse, voluminous, many, length, plentiful, adequate, long, irregularity, frequency, substantial, ample, preposterous, immeasurable, complete, for the first/last etc. time, endless, enough, inadequate. greatly, indeed, well, really, particularly, deeply, immensely, thoroughly, extremely, very. a great deal (noun)
lot, wealth, heap, mass, peck, pack, abundance, sight, power, profusion, big, pile, barrel, mountain, plenty, world.

Other synonyms:

extremely, many. frequency, irregularity. length, rate, basis. irregular. time. long. a great deal
lot, sight, pile, wealth, plenty, pack, heap, mountain, power, profusion, barrel, abundance, world, mass.
considerable
substantial.
Other relevant words:
countless, deeply, important, quantity, long, inadequate, abundant, profuse, profusion, stirring, frequency, lot, sufficient, immensely, really, notable, insufficient, big, basis, length, critical, indeed, pressing, trenchant, immeasurable, memorable, lavish, everywhere, ample, peck, pile, overwrought, extravagant, copious, voluminous, abundance, considerable, satisfying, mountain, many, plenty, significant, particularly, principal, pack, momentous, prominent, plentiful, well, greatly, enough, first-rate, sight, irregularity, adequate, eventful, substantial, telling, fabulous, generous, full, irregular, urgent, very, salient, complete, barrel, rate, leading, thoroughly, mass, paramount, inconsiderable, heap, endless, power, wealth, signal, weighty, extremely, world, serious, preposterous, time.

Usage examples for much

  1. I love him very much but I know it is not in that way. – A Little Girl in Old Philadelphia by Amanda Minnie Douglas
  2. I didn't think much about it. – The Diamond Pin by Carolyn Wells