Deciphering
Explain, make sense, solve
Vehement
Vigorous, intense
Ludicrous
Absurd, farcical
Ostentatious
Vulgar, obtrusive
Agitation
Concern, anxiety
Amorous
Erotic, passionate, lustful
Cipher
Coded message
Puerile
Foolish, childish
Prevalence
Regularity, currency