Nosey is a synonym of intrusive.

As adjectives the difference between nosey and intrusive

is that nosey is while intrusive is tending or apt to intrude; doing that which is not welcome; interrupting or disturbing; entering without right or welcome.

As a noun intrusive is

(geology) an igneous rock that is forced, while molten, into cracks or between other layers of rock.

Difference is a related term of opposition.

As nouns the difference between difference and opposition

is that difference is difference while opposition is the opposition, political opposition; opposition party.

Fickle is a related term of fluid.

As an adjective fickle

is quick to change one’s opinion or allegiance; insincere; not loyal or reliable.

As a verb fickle

is to deceive; flatter.

As a noun fluid is

fluid.

Fray is a related term of row.

As nouns the difference between fray and row

is that fray is affray; broil; contest; combat; brawl; melee while row is trench, ditch.

As a verb fray

is to unravel; used particularly for the edge of something made of cloth, or the end of a rope.

Infamous is a related term of dastardly.

As adjectives the difference between infamous and dastardly

is that infamous is having a bad reputation, disreputable; of bad report; notoriously vile; detestable; widely known, especially for something bad while dastardly is in the manner of a dastard; marked by cowardice; pusillanimous.

Gross is a synonym of overweight.

As a proper noun gross

is .

As an adjective overweight is

(of a person) heavier than what is generally considered healthy for a given body type and height.

As a noun overweight is

(chiefly|transport|legal|healthcare) an excess of weight.

As a verb overweight is

to place excessive weight or emphasis on; to overestimate the importance of.

As adjectives the difference between nonchalant and unexcited

is that nonchalant is casually calm and relaxed while unexcited is not excited.

Opulent is a related term of large.

As adjectives the difference between opulent and large

is that opulent is luxuriant, and ostentatiously magnificent while large is of considerable or relatively great size or extent.

As a noun large is

(music|obsolete) an old musical note, equal to two longas, four breves, or eight semibreves.

Gaiety is a related term of joyfulness.

As nouns the difference between gaiety and joyfulness

is that gaiety is (uncountable)  the state of being happy while joyfulness is the state of being joyful.

Brotherly is a related term of devoted.

As adjectives the difference between brotherly and devoted

is that brotherly is of or characteristic of brothers while devoted is vowed; dedicated; consecrated.

As an adverb brotherly

is in the manner of a brother, as a brother, as brothers.

As a verb devoted is

(devote).