1.Vacillation
Meaning: fluctuation
Synonym: hesitation, doubt, indecision
Antonym: certainty, sure
example: I vacillate between the red truck and the blue one
2.Incendiary
Meaning: Causing trouble,
Synonym: inflammatory, dangerous
Antonym: loyal, peacemaking
example: His team continued to clear the building and toss flares into corners as they sought out any living insurgents or incendiary devices.
3.Petulant
Meaning: (of a person or their manner) childishly sulky or bad-tempered
Synonym: short-tempered, peevish,
Antonym: affable, companionable, cordial, extroverted
example: “he was moody and petulant”
4.Puerile
Meaning: childishly silly and immature.
Synonym: adolescent, babyish, immature, infantile, jejune, juvenile,
Antonym: experienced, knowing, smart, sophisticated, worldly, worldly-wise
example: “a puerile argument”
5.Riposte
Meaning: a quick and clever reply
Synonym: comeback, repartee, retort
example: he’s known for having a brilliant riposte to nearly any insult