Synonyms for By and large:

• adj.

  •en masse (adjective)
  • as a group,
  • as a body,
  • in group,
  • in a mass,
  • in mass,
  • jointly,
  • in a body,
  • ensemble,
  • in a group,
  • all together,
  • as a whole,
  • as one.

• adv

  •as a whole (adverb)
  • altogether.
  •for the most part (adverb)
  • usually.

• adv.

  •all (adverb)
  • by and large,
  • mostly.
  •altogether (adverb)
  • bodily,
  • all told,
  • all things considered,
  • for the most part,
  • in sum,
  • everything included,
  • in all,
  • everything considered,
  • all in all,
  • conjointly,
  • taken together,
  • collectively,
  • en masse,
  • on the whole,
  • all.
  •generally (adverb)
  • extensively,
  • largely,
  • practically,
  • principally,
  • popularly,
  • commonly,
  • chiefly,
  • publicly,
  • about,
  • habitually,
  • regularly,
  • roughly,
  • universally,
  • primarily,
  • approximately,
  • widely,
  • customarily,
  • roundly.
  •habitually (adverb)
  • naturally,
  • oft.
  •largely (adverb)
  • considerably,
  • immoderately,
  • comprehensively,
  • expansively,
  • on a large scale,
  • liberally,
  • magnificently,
  • generously,
  • in a big way,
  • lavishly,
  • copiously,
  • in a grand manner,
  • prodigally,
  • extravagantly,
  • abundantly,
  • Commodiously,
  • grandly,
  • imposingly,
  • mainly,
  • voluminously,
  • prodigiously.
  •routinely (adverb)
  • often.
  •usually (adverb)
  • frequently,
  • occasionally,
  • consistently,
  • now and then,
  • sometimes.

• Other synonyms:

  •
  • In Toto,
  • kinda.
  •
  • so-called.
  •
  • together.
  •Other relevant words:
  • in general,
  • almost entirely,
  • Prevailingly,
  • virtually,
  • effectually,
  • substantially,
  • in particular,
  • pre-eminently,
  • most of all,
  • especially,
  • above all,
  • as an approximation,
  • generally speaking,
  • on balance,
  • in all respects,
  • essentially,
  • nearly,
  • in the long run,
  • part,
  • whole,
  • to all intents and purposes,
  • broadly speaking.

Antonyms for By and large:

• adj.

  • en masse
    one at a time, singly.

• adv.

  • altogether
    incompletely, partly.
  • generally
    rarely, sometimes, particularly, specifically, unusually, seldom, exactly.
  • usually
    never, uncommonly, exceptionally, infrequently.
  • Other antonyms:
    completely, absolutely, hardly, minimally, scarcely, barely, fully, categorically, just, unqualifiedly, perfectly, marginally, wholly, totally, entirely, thoroughly.