NO! an adjective is something that describes another thingy
The correct spelling is "controversy" (a dispute).(The adjective form is controversial.)
That is the correct spelling for "unsuccessful."
The correct spelling of the adjective, from measure, is measurable (weighable, quantifiable).
That is the correct spelling of the adjective "classic" (traditional, or antique).
The correct spelling of the adjective is unhygienic.
The correct spelling of the adjective form of "larynx" is "laryngeal."
Able is the adjective of ability. The spelling is irregular.
The correct spelling is "pharyngeal."
That is the correct spelling of the adjective "upgradable" (improvable).
Compound adjective is the proper spelling of this phrase.
a bad spelling mistake...
The correct spelling is "controversy" (a dispute).(The adjective form is controversial.)
The noun behavior has the adjective form behavioral. (The UK spelling is behavioural.)
That is the correct spelling for the adjective "whiter" (of a purer white, brighter).
The correct spelling of the adjective is silent(quiet).
That is the correct spelling for "unsuccessful."
The spelling of the adjective is slimy.