Definition
The adverb "probably" expresses that something is very likely to happen or to be true, though not absolutely certain.
Parts of Speech
Pronunciation
Etymology
"Probably" developed in Middle English by adding the adverbial suffix “‑ly” to "probable," which stems from the Latin probabilis, meaning “worthy of approval, likely.” Its earliest recorded use in English dates to the late 15th century.
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Usage
"Probably" is common in both formal and informal registers. Examples include: “She will probably finish the report by noon,” and “It’s probably best to call ahead.”
Related Terms
Detailed Definitions
            
            
            
Probably is an adverb indicating a high degree of likelihood or certainty. It often conveys that something is very likely to happen or be the case, but it's not guaranteed.
"Probably" is used as an adverb.
The term "probably" comes from the Latin word "probabilis," meaning "provable," which is derived from "probare," meaning "to try, test, prove." The English term has been in use since the 16th century.
"Probably" is often used to express uncertainty or to show that something is likely to occur or be true. It can be used in a variety of contexts, from informal conversation to formal writing.
As an adverb, "probably" has one main meaning: