Ameliorate (find Antonym)

• Improve
• Depend
• Soften
• Worsen

Meandering (find Antonym)

• Sliding
• Slopping
• Strained
• Straight

Jettison (find Antonym)

• Accept
• Reward
• Preserve
• Consent

Fervent (find Antonym)

• Inexcitable
• Enduring
• Dispassionate
• Subdued

Perspicuity (find Antonym)

• Vagueness
• Dullness
• Unfairness
• Unwillingness

Verity (find Antonym)

• Sanctity
• Reverence
• Falsehood
• Rarity

Florid (find Antonym)

• Weak
• Pale
• Monotonous
• Ugly

Though generous and benevolent, he did not meet with success in his career.

• beneficent
• malevolent
• goodwill
• liberal

Formidable obstacles have to be overcome before success is achieved.

• indomitable
• facile
• dangerous
• invincible

He endeavoured hard to reach the top of his career.

• shirked
• strove
• undertake
• laboured