As adjectives the difference between appalling and disastrous

is that appalling is horrifying and astonishing while disastrous is of the nature of a disaster; calamitous.

As a verb appalling

is present participle of lang=en.

Volley is a related term of outpouring.

As nouns the difference between volley and outpouring

is that volley is the simultaneous firing of a number of missiles or bullets; the projectiles so fired while outpouring is the sudden flowing of a large amount of something.

As a verb volley

is to fire a volley of shots.

Issue is a related term of sequel.

As nouns the difference between issue and sequel

is that issue is a monacan indian; a member of a mestee group originating in amherst county, virginia while sequel is (narratology) a narrative that is written after another narrative set in the same universe, especially a narrative that is chronologically set after its predecessors, or (perhaps improper usage) any narrative that has a preceding narrative of its own.

As verbs the difference between upsetting and vexing

is that upsetting is present participle of lang=en while vexing is present participle of lang=en.

As nouns the difference between upsetting and vexing

is that upsetting is the action of the verb upset while vexing is vexation.

As an adjective upsetting

is that causes or cause upset.

Level is a related term of pinnacle.

As nouns the difference between level and pinnacle

is that level is leaf (part of a plant) while pinnacle is the highest point.

As a verb pinnacle is

to put something on a pinnacle.

Commemorative is a related term of monumental.

As adjectives the difference between commemorative and monumental

is that commemorative is while monumental is in the manner of a monument.

Heart is a related term of gusto.

As verbs the difference between heart and gusto

is that heart is (transitive|poetic|or|humorous) to be fond of often bracketed or abbreviated with a heart symbol while gusto is .

As a noun heart

is (anatomy) a muscular organ that pumps blood through the body, traditionally thought to be the seat of emotion.

Enthralling is a related term of fetching.

As adjectives the difference between enthralling and fetching

is that enthralling is exciting while fetching is attractive; pleasant to regard.

As verbs the difference between enthralling and fetching

is that enthralling is while fetching is .

As a noun fetching is

the act by which something is fetched.

In intransitive terms the difference between smart and irritate

is that smart is to hurt or sting while irritate is to cause or induce displeasure or irritation.

In transitive terms the difference between smart and irritate

is that smart is to cause a smart or sting in while irritate is to induce pain in (all or part of a body or organism).

As an adjective smart

is causing sharp pain; stinging.

As a noun smart

is a sharp, quick, lively pain; a sting.

As an initialism SMART

is specific, Measurable, Attainable, Realistic, Tangible, a mnemonic for goal-setting.

As a proper noun Smart

is {{surname}.

As adjectives the difference between indicatory and representative

is that indicatory is that indicates, signifies or implies while representative is typical; having the same properties or interest as a larger group.

As a noun representative is

one who may speak for another in a particular capacity, especially in negotiation.