Integral (adjective) – Existing as an essential constituent
Synonyms – Intact, intrinsic, plenary, unified, unabridged
Antonyms – Auxiliary, inconsequential, ancillary, trivial, adscititious
Contraceptive (adjective) – Capable of preventing conception
Synonyms – Prophylactic, sheath, sponge, vasectomy, pessary
Antonyms – Advantage, hazard, massacre, unprotective
Prevalence (noun) – The quality of prevailing generally
Synonyms – Preponderance, ubiquity, vogue, customariness, paramountcy
Antonyms – Peripheral, abstruse, bizarre, recondite, wacky
Mortality (noun) – Death
Synonyms – Fatality, lethality, transience, necrosis, morbidity
Antonyms – Eternity, nativity, deities, nascence, phoenix
Untangle (verb) – To resolve
Synonyms – Unravel, extricate, disencumber, unsnarl, decipher
Antonyms – Ravel, baffle, adumbrate, bedim, cloak
Tackle (verb) – Accept as a challenge
Synonyms – Paraphernalia, combat, rigging, grapple, accoutrements
Antonyms – Dodge, evade, elude, disregard, abandonment
Mulling (verb) – Think about deeply and at length
Synonyms – Pondering, broods, bungling, abatement, brewing
Antonyms – Overlook, disregard, abandon, ignore
Impinging (noun) – The physical coming together of two or more things
Synonyms – Infringe, entrench, striking, trench, intrude
Antonyms – Spurn, obstruct, hinder, counteract, avoid
Coercive (adjective) – Having the power to constrain
Synonyms – Obligatory, compulsive, imperative, tyrannical, intimidating
Antonyms – Discretionary, ductile, elective, docile, meek
Discernible (adjective) – Capable of being seen or noticed
Synonyms – Conspicuous, palpable, seeable, blatant, overt
Antonyms – Bewildering, cagey, inscrutable, ambiguous, trivial
Hasten (verb) – Act or move at high speed
Synonyms – Expedite, sprint, scoot, scurry, scamper
Antonyms – Dawdle, loiter, procrastinate, dally, dither