The opposite of noble using a prefix would be ignoble.
The opposite of judge using a prefix is misjudge.
The opposite of merciful using a prefix is merciless.
The opposite of "pronounce" using a prefix would be "mispronounce."
The opposite of active using a prefix is "inactive."
Disobedience
The opposite of judge using a prefix is misjudge.
The opposite of merciful using a prefix is merciless.
The opposite of "pronounce" using a prefix would be "mispronounce."
When the prefix "un-" is added to the word "noble," the opposite is "ignoble." The prefix "un-" is used to indicate the reversal of the meaning of the base word, so "ignoble" means not noble or having low moral principles.
The opposite of active using a prefix is "inactive."
The possible prefix for "noble" is "ig-" as in "ignoble," which means not honorable or unworthy. Prefixes are morphemes added to the beginning of a word to change its meaning. In this case, adding the prefix "ig-" changes the meaning of "noble" to its opposite, indicating a lack of nobility or virtue.
unpleasant
The opposite of sever is conjoin.
The opposite of "incredible" using a prefix is "credible." The prefix "in-" in "incredible" means "not," so "incredible" means "not credible" or "not believable." By removing the "in-" prefix, you are left with "credible," which means "believable" or "worthy of trust."
Disobedience
Anti-social.
there's no prefix for noble