Unanticipated, unexpected, random and happenstance to name a few.
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There is no other word for 500
We can use "OFTEN" as a word other than "USUALLY". Thank you...... Reshma M, TicketGoose.
The pronoun 'other' is an indefinite pronoun, a word that takes the place of a noun for an unknown or unnamed person or thing. Example:One brother is in high school the other is in college.The word 'other' is also an adjective when placed before a noun:My other brother graduated last semester.The word 'other' is an adverb when followed by 'than':Other than my brothers, I have a mother and a father. (have other than)
Another word for whereas on the other hand.
Unplanned.
This side trip was unplanned, but enjoyable.
ed
UNPLANNED
accidental unintentional
odd, stray, unplanned
Random
odd, irregular, accidental, chance, haphazard, casual, incidental, stray, unplanned
unplanned off-the-cuff impromptu
Probably unknown.
This is likely the word "accident" (an unplanned or unexpected occurrence).
Impromptu is the closest to spontaneous word. It is a word representing sudden action.