2
indeed(adverb, top, main, first)
2
mainly(adverb, top, main, first)
2
initially(adverb, top, first, firstly, before time)
2
most importantly(adverb, top, firstly, before time)
2
peculiarly(adverb, top, main, first)
2
since(adverb, top, firstly, before a time, before time)
2
to begin with
1
number one(verb, phrasal verb, cool, top, first)
1
upper most(expression, idiom, top, first, firstly)
1
First day(expression, idiom, top, first, firstly)
1
for one thing(expression, idiom, top, first, firstly)
1
in the beginning(expression, idiom, top, first, firstly)
1
no end(adverb, top, main, first)
1
at an early stage
1
basically(adverb, mainly, firstly, before a time)
1
before(adverb, mainly, firstly, before a time)
1
begin(adverb, first, mainly, firstly, before a time)
1
by the time(adverb, mainly, firstly, before a time)
1
cardinal(adjective, top, high, first, mainly)
1
cardinally(adverb, mainly, firstly, before a time)
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APASmart Define. (2015). first of all thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/first_of_all/thesaurus/synonyms
ChicagoSmart Define. 2015. "first of all thesaurus" https://smartdefine.org/first_of_all/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, first of all thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/first_of_all/thesaurus/synonyms>.
MLASmart Define. "first of all thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/first_of_all/thesaurus/synonyms>