The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for repentant is "feeling regret.", the definition for repel is "To resist, reject.", and the definition for iridescent is "Having a lustrous or attractivve quality."

The definition for lurid is "Causing horror, shocking." Used in a sentence: The lurid photos of the crime scene upset the jury. The definition for derivative is "lacking originality.", the definition for combative is "Eager to fight.", and the definition for ethical is "Conforming to accepted standards."

The definition for ramble is "To wander, physically or in language." Used in a sentence: Professor Tan rambled during his lectures, frequently straying from the subject. The definition for repentant is "feeling regret.", the definition for discern is "To recognize as separate as distinct.", and the definition for heed is "To pay attention to."

The definition for clarity is "Clearness." Used in a sentence: The refreshing water in the mountain stream was remarkable for its clarity. The definition for garish is "offensively bright.", the definition for brandish is "To shake or wave menacingly.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for beneficial is "Helpful." Used in a sentence: there is no doubt that eating vegetables is beneficial to one's health. The definition for comprehensible is "understandable.", the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", and the definition for insinuate is "To suggest indirectly."