Synonyms for Paradoxical:

adj.

absurd (adjective)
farcical, self-contradictory, contradictory, eccentric, illogical, irrational, fallacious, outlandish, senseless, preposterous, impossible, silly, bizarre, absurd, implausible, ludicrous, meaningless, nonsensical, foolish, ridiculous, crazy, invalid, inconsistent, anachronistic, idiotic, inane, incongruous.
all (adjective)
self-contradictory.
complex (adjective)
obscure.
conflicting (adjective)
inconsistent, opposed, incongruous.
contradictory (adjective)
opposite, reverse.
contrary (adjective)
contradictory.
ironic/ironical (adjective)
implausible, ridiculous.
questionable (adjective)
ambiguous.
satirical/satiric (adjective)
farcical.

n.

idiosyncratic, strange, weird, unreal, funny, surreal, edgy. opposite, otherwise, vice versa, to the contrary, opposed, reverse, conversely. contradictory (noun)
ambiguous, obscure.
paradoxical (noun)
inexplicable, self-contradictory, incomprehensible.

Other synonyms:

conversely, vice versa. opposed, otherwise. opposite. reverse. Other relevant words:
weird, otherwise, incomprehensible, reverse, ambiguous, opposed, obscure, strange, inexplicable, opposite.

Usage examples for paradoxical

  1. Yet, as another striking instance of the paradoxical nature of his character, he was intensely devoted to his wife. – A History of the Four Georges, Volume I (of 4) by Justin McCarthy
  2. By Eve's sin " death came into the world" for the paradoxical reason that she had eaten the food of the gods which gives immortality. – The Evolution of the Dragon by G. Elliot Smith
  3. " You are paradoxical said Mr. Harland, irritably. – The Life Everlasting: A Reality of Romance by Marie Corelli