Try Our Apps


90s Slang You Should Know


[prob-uh-blee] /ˈprɒb ə bli/
in all likelihood; very likely:
He will probably attend.
Origin of probably
First recorded in 1525-35; probable + -ly Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for probably
Contemporary Examples
Historical Examples
  • The individual whom I address is probably the most popular beggar in the town.

  • The firing had probably been heard and the wreck of the merchantman seen.

    A Prisoner of Morro Upton Sinclair
  • Had there been, he probably would have invited the visitor to walk to the fire and partake.

    Two Boys in Wyoming Edward S. Ellis
  • Their husbands are not likely ever to be rich men, and will probably be poor for some years to come.

    Deerbrook Harriet Martineau
  • It looked like the part of the Palace where he had lodged when he had been a guest there but it probably wasn't.

    Space Viking Henry Beam Piper
British Dictionary definitions for probably


(sentence modifier; not used with a negative or in a question) in all likelihood or probability: I'll probably see you tomorrow
sentence substitute
I believe such a thing or situation may be the case
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for probably

mid-15c., "plausibly," from probable + -ly (2). As a general purpose qualifier, 1610s.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for probably

Most English speakers likely know this word

Word Value for probably

Scrabble Words With Friends

Nearby words for probably