The opposite of confident is diffident. The prefix is dif-, a variation of de-. The root word is -fident, related to "fidelity", "bona fides", "fiduciary" and other similar words having to do with trust.
Unconfident also fits.
The prefix that makes "upgrade" mean the opposite is "down-," so "downgrade" means to lower or reduce in quality or status.
The prefix "anti-" means against or opposite. It is used to indicate opposition or resistance to something.
The prefix anti- can mean opposite or opposed (against). The prefix non- applied to an adjective means not, and the prefix im- also means not or unable to be.
The prefix un- means not. For instance, unacceptable means not acceptable.
Yes, in its derivation. The prefix "dis" implies negative.
The prefix "dif means the opposite of, or reverse.
The prefix 'dis' means not or the opposite of something.
without
opposite
Divise
The prefix 'dis-' is used in this sense as 'to do the opposite of', as in 'disallow'. To disconnect, therefore, is to act in the directly opposite of 'connect'.
The prefix that makes "upgrade" mean the opposite is "down-," so "downgrade" means to lower or reduce in quality or status.
The prefix a- means NOT. In the word amoral it means the opposite of moral.
UNfreeze
The prefix "dis" means to do the opposite i.e. dicontinue It can also mean not, as in disloyal
The prefix "anti-" means against or opposite. It is used to indicate opposition or resistance to something.
The prefix anti- can mean opposite or opposed (against). The prefix non- applied to an adjective means not, and the prefix im- also means not or unable to be.