love
The 4-letter root word meaning against or opposite is "anti."
into
A five letter word meaning the opposite of hurry would be dally. There may well be others
stop or halt is a four letter word meaning the opposite of go.
To get a word meaning "hurry" by adding one letter to "hate," you would add the letter "h" to get the word "haste." The word "haste" means to do something quickly or with urgency. The addition of the letter "h" transforms "hate" into "haste," creating a new word with a different meaning.
By adding the letter "r" to the word "hate," you get the word "hater," which does not mean hurry. To form a word meaning hurry, you would need to add the letter "y" to "hate," resulting in the word "hasty."
The opposite of unusual is common.
The word is empty.
The word is likely "modern."
frontal? Forward?
The typical word is "little."
Western