speculation
11 synonyms and 2 antonyms for speculation, grouped by meaning and by how common each one is.
Noun — A guess or theory formed without firm evidence.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
How to use speculation
The word patterns that sound natural to a native speaker.
fuel speculation
media speculation
financial speculation
Etymology
From Old French speculation, from Late Latin speculātiō, from Latin speculor ("to observe, spy out").
Full origin of speculation →Frequently asked questions
What does “speculation” mean?
The word “speculation” means a guess or theory formed without firm evidence. In plain terms, guessing without proof, or making risky trades hoping the price will move in your favor.
How do you pronounce “speculation”?
“Speculation” is pronounced spehk-yuh-LAY-shuhn (/ˌspɛk.jəˈleɪ.ʃən/ in IPA).
How do you use “speculation” in a sentence?
Here is “speculation” used in a sentence: “There has been a lot of speculation about who will be the next CEO.”
What part of speech is “speculation”?
“Speculation” is a noun.
Where does the word “speculation” come from?
The word “speculation” comes from Late Latin. From Old French speculation, from Late Latin speculātiō, from Latin speculor ("to observe, spy out").
Is “speculation” a common word?
“Speculation” is a fairly common word in modern English, usually learned at around the C1 level.
How many meanings does “speculation” have?
“Speculation” has 2 distinct senses listed in this dictionary. The most common is: a guess or theory formed without firm evidence.
What is the difference between speculation and investment?
In finance, speculation is the practice of buying or trading something risky in the hope of profiting from price changes, often over a short period. Investment generally refers to putting money into assets with the expectation of steadier, longer-term returns; the key difference is the level of risk and the reliance on price swings rather than underlying value.
What is the difference between speculation and a hypothesis?
Speculation is a guess or theory formed without firm evidence, and it may never be tested. A hypothesis is a proposed explanation that is deliberately framed so it can be tested against evidence, which gives it a more formal, scientific status.
What is the difference between speculation and rumour?
A rumour is an unverified story or claim that spreads from person to person. Speculation is the act of forming guesses or theories without firm evidence; rumours often start as someone's speculation, but a rumour is the circulating claim itself rather than the guessing.
