Sedulous
Careful, attentive
Rudimentary
Initial, primary
Imperil
Endanger, risk
Voluptuous
Seductive, sultry
Profane
Temporal, earthly
Fluviatile
Produced by river
Cadence
Rhythm, tempo
Discordant
Opposite, contrary
Remnant
Remains, leftover
Denizen
Resident, local
Cloistered
Isolated, secluded
Demurred
Protested, objected
Polemical
Bitter, critical
Intrinsic
Natural, inborn
Execration
Act of cursing