Synonyms for Firstly:

• adv.

  •basically (adverb)
  • primarily,
  • essentially,
  • radically,
  • at heart,
  • mostly,
  • inherently.
  •first off (adverb)
  • up front,
  • primo,
  • immediately,
  • first thing.
  •initially (adverb)
  • formatively,
  • Preliminarily,
  • maidenly,
  • Aboriginally,
  • preparatorily.

• adv

  •firstly (adverb)
  • initially,
  • originally.
  •first off (adverb)
  • in first place.

• n.

  •
  • My,
  • of course,
  • what does something have to do with...?,
  • ha,
  • Hah,
  • right.
  •
  • and so on/forth,
  • to begin with,
  • last but not least,
  • lastly,
  • ...or something (like that).

• Other synonyms:

  •
  • Pshaw,
  • arguably,
  • puh-leeze,
  • whatnot,
  • Et cetera,
  • uh-uh,
  • secondly,
  • thirdly,
  • inter alia.
  •
  • do with.
  •
  • well.
  •Other relevant words:
  • to start with,
  • low,
  • Primevally,
  • Primely,
  • principally,
  • formerly,
  • early,
  • abjectly,
  • Onely,
  • humbly,
  • in the beginning,
  • rudimentarily,
  • Capitally,
  • before all,
  • above all,
  • miserably,
  • downheartedly,
  • Bluely,
  • Headly,
  • Smally,
  • especially,
  • before everything,
  • before anything else,
  • for one thing,
  • from the start,
  • Foremostly,
  • chiefly,
  • Primordially,
  • centrally,
  • Leadingly,
  • ab ovo,
  • at first,
  • begin with,
  • excellently,
  • Forwardly,
  • Paramountly,
  • dominantly,
  • cardinally,
  • mainly,
  • Brokenly,
  • fundamentally.

Paraphrases for Firstly:

• Equivalence

  • Adjective
    first.
  • Proper noun, singular
    first.

• Independent

  • Adverb
    primarily, principally, originally, particularly, mainly, secondly, essentially, chiefly, partly, predominantly, especially, previously, specifically.

• Other Related

  • Noun, singular or mass
    first.
  • Adverb
    first.

Antonyms for Firstly:

• adv.

  • basically
    additionally, inessentially, extra.
  • Other antonyms:
    finally, ultimately, lastly.