Some words have no perfect antonyms.
"Occasional" is on a scale:
Always...frequently...often...occasionally...seldom...infrequently...rarely...never.
There is really no opposite. For words like this, the logical answer is to add "Not". "Not occasional" is the opposite of occasional.
Frequent.
rarely, infrequently, seldom, occasionally
The word occasionally is an adverb, a word that modifies a verb, an adjective, or another adverb. Examples:I occasionally get a cold.This is one of our occasionally hot Septembers.A pronoun is a word that takes the place of a noun in a sentence. Example:Jim occasionally makes dinner himself. (the pronoun himself takes the place of the noun Jim)
An opposite of the word "to" is from.
The opposite of up is down. So, opposite of the opposite of up is up itself.
The opposite of the opposite is the original value, -9.
occasionally
rarely, infrequently, seldom, occasionally
An anthelion is a faint white halo occasionally seen in the sky opposite the sun.
Sparsely usually means appearing only occasionally, for example a sparsely populated area has only a few people living there. The opposite would be things compacted into a small area, so the opposite of sparsely would be 'densely'
sharp
I will occasionally go to the pharmacy.
I am occasionally the best in class. Occasionally, the best athlete does not earn a spot on the team.
I go to the gym occasionally
I occasionally wonder how you do certain things...
Occasionally is an adverb. It has the synonyms infrequently, sporadically, or sometimes.
The root word for "occasionally" is "occasion."
Occasionally, I write example sentences for students.I eat fish but only occasionally.We used to see the old janitor, occasionally, when we visited the library.