puzzle
A riddle for "glad" could be: "I am a feeling that lifts your spirits high, but not sad am I. What am I?" The answer would be "gladness," as it is a synonym for happiness or joy. Riddles often play on words and require critical thinking to solve.
An enigma is a puzzle, or a situation that is perplexing, inexplicable, or ambiguous. Synonyms can be puzzle, riddle, mystery, question, or conundrum.
That seems like more of a riddle(judging by the category, it is.). It might be "cool" ...It may be "calm"
Synonyms for a mystery are enigma, secret, puzzle, conundrum, riddle, or unknown.For a mystery novel, it could be a whodunit, suspense story, or thriller.
"The answer to my riddle" is not specific....Whose riddle? What riddle?
Taking out the word riddles makes this What is life if life isn't life but a life is a life yet life doesn't make sense like life should? This riddle makes no sense- a riddle is a riddle. a riddle is not, not a riddle because a riddle is a riddle. This riddle acts as if riddles are different than riddle (no s). To answer the riddle I would answer: Riddles are riddle.
the riddle is mogul
A quaint riddle is where the answer is in the riddle. There are many of riddles like this. A riddle that the answer is right in front of you is called is collection riddle. There are many of riddles that are like that.
Yes, it can be. For example, "He was seeking an answer for the riddle" (to the riddle).
An answer to a riddle.
life
It's a riddle inside an enigma wrapped in a mystery. It's a conundrum, a head scratcher, a poser. It could be concealed, encoded, cabalistic. It's unintelligible, Greek to me, written in runes