Antonyms for rare are common, unexceptional, frequent or (cooked) well done.
"Often" and "frequently" are antonyms of "rarely".
The opposite of often (frequently) is seldom, or rarely.
more rarely
more rarely
The additive opposite is, but not the multiplicative opposite.The additive opposite is, but not the multiplicative opposite.The additive opposite is, but not the multiplicative opposite.The additive opposite is, but not the multiplicative opposite.
"Often" and "frequently" are antonyms of "rarely".
The opposite of often (frequently) is seldom, or rarely.
often, frequently
Seldom, rarely, infrequently
This is a word with different oppositesOne would be alwaysOne would be neverone would be frequently Sometimes is a word between Always and never has no opposite (As far as I know, if I am wrong delete my answer)
Antonyms would be chubby, chunky, or fat.(Another opposite, rarely used , is squat.)
The analogy for "seldom" would be "frequently : seldom :: often : rarely." In this analogy, "frequently" is the opposite of "seldom," just as "often" is the opposite of "rarely." "Seldom" means not occurring often or rarely, making "frequently" the appropriate analogy term.
rarely, infrequently, seldom, occasionally
There is a word unclever which is rarely used.The opposite of clever (bright, smart) would be dull, foolish, or unintuitive.
In my opinion yes it is. Often suggests something happens quite regularly and rarely suggests it doesn't happen that .....eh often !! ha good question
extraordinarily or unusually or rarely or amazingly, depending on what you want the word for.
Uncommonly or unusually. Some other antonyms of commonly include infrequently, seldom, and rarely.