Absent
Begin
malvolent
take away, minus
· rotten
Chutiya
There are no synonyms for the word forever that start with the letter 'y'. Some words that the thesaurus lists as words that mean forever are; always, endlessly and permanently.
There are no English words that begin with the letter x that mean adventurous.
Happy
Against, starting with, beginning at, taken away, originating at...
Ugly and useless are mean words. They begin with the letter u.
commence, start, initiate, inaugurate, originate
obnoxious, obese, obtuse