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20+ Synonyms for Fundament & Similar Words

Definition of fundament

noun
  1. the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"
  2. the fleshy part of the human body that you sit on; "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?"
  3. lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"

20 synonyms found

Writing tips for "fundament"

Choosing the right synonym depends on context, tone, and audience. Words like arse, ass, backside can replace "fundament" depending on the shade of meaning you need. In poetry and songwriting, swapping synonyms lets you match a rhyme scheme or meter without changing your meaning. In prose, varying your word choice avoids repetition and keeps readers engaged.

With 20 alternatives available, "fundament" gives you flexibility across registers — from formal to casual, from literary to conversational. Try pairing these synonyms with our rhyme finder to discover words that both mean and sound like what you need.

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Frequently asked questions

What are synonyms for fundament?
Synonyms for fundament include: arse, ass, backside, base, basis, behind, bottom, bum, buns, butt, and 10 more.
How many synonyms does fundament have?
Fundament has 20 synonyms.

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