highest

adj. tall, lofty, elevated; expensive, costly; excited, elated; high-pitched; strong, powerful; important, serious; exalted, superior; under the influence of drugs, intoxicated (Slang)

This article describes extreme locations on Earth. Entries listed in bold are world records.
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Adjective
1. approaching or constituting a maximum; "maximal temperature"; "maximum speed"; "working at peak efficiency"
(synonym) peak(a)
(similar) maximal, maximum
2. highest and most significant; "his highest achievement"
(similar) ultimate

Noun
1. a lofty level or position or degree; "summer temperatures reached an all-time high"
(antonym) low
(hypernym) degree, grade, level
2. an air mass of higher than normal pressure; "the east coast benefits from a Bermuda high"
(synonym) high pressure
(hypernym) air mass
(part-holonym) anticyclone
3. a state of sustained elation; "I'm on a permanent high these days"
(antonym) low spirits
(hypernym) elation
4. a state of altered consciousness induced by alcohol or narcotics; "they took drugs to get a high on"
(hypernym) elation
5. a high place; "they stood on high and observed the coutryside"; "he doesn't like heights"
(synonym) heights
(hypernym) topographic point, place, spot
6. a public secondary school usually including grades 9 through 12; "he goes to the neighborhood highschool"
(synonym) senior high school, senior high, highschool, high school
(hypernym) secondary school, lyceum, lycee, Gymnasium, middle school
7. a forward gear with a gear ratio giving high vehicle velocity for a given engine speed
(synonym) high gear
(hypernym) gear, gear mechanism
(hyponym) overdrive
(part-holonym) car, auto, automobile, machine, motorcar
Adjective
1. greater than normal in degree or intensity or amount; "a high temperature"; "a high price"; "the high point of his career"; "high risks"; "has high hopes"; "the river is high"; "he has a high opinion of himself"
(antonym) low
(similar) advanced
(see-also) superior
(attribute) degree, grade, level
2. (literal meanings) being at or having a relatively great or specific elevation or upward extension (sometimes used in combinations like `knee-high'); "a high mountain"; "high ceilings"; "high buildings"; "a high forehead"; "a high incline"; "a foot high"
(antonym) low
(similar) altitudinous
(see-also) tall
(attribute) height, tallness
3. standing above others in quality or position; "people in high places"; "the high priest"; "eminent members of the community"
(synonym) eminent
(similar) superior
4. used of sounds and voices; high in pitch or frequency
(synonym) high-pitched
(antonym) low, low-pitched
(similar) adenoidal, pinched, nasal
(attribute) pitch
5. happy and excited and energetic
(synonym) in high spirits
(similar) elated
6. used of the smell of game beginning to taint
(synonym) gamey, gamy
(similar) malodorous, malodourous
7. slightly and pleasantly intoxicated from alcohol or a drug (especially marijuana)
(synonym) mellow
(similar) intoxicated, drunk, inebriated
Adverb
1. at a great altitude; "he climbed high on the ladder"
(synonym) high up
2. in or to a high position, amount, or degree; "prices have gone up far too high"
3. in a rich manner; "he lives high"
(synonym) richly, luxuriously
4. far up toward the source; "he lives high up the river"

     heights     eighths

Synonyms and related words:
above, acmatic, acme, all-absorbing, all-knowing, all-powerful, all-seeing, all-wise, almighty, apical, astral, authority, authorization, be-all and end-all, best, blue ribbon, boundless, capital, cardinal, championship, changeless, chief, command, consummate, control, controlling, creating, creative, directorship, dominant, dominion, effectiveness, eternal, eternally the same, everlasting, first place, first prize, first-class, first-rate, foremost, glorious, good, greater, greatest, hallowed, head, headmost, headship, hegemony, height, higher, highest-ranking, holy, immortal, immutable, imperium, infinite, influence, jurisdiction, just, kingship, leadership, leading, limitless, lordship, loving, luminous, main, majestic, making, management, master, mastership, mastery, maximal, maximum, merciful, meridian, meridional, most, ne plus ultra, new high, numinous, omnipotent, omnipresent, omniscient, one, over, overmost, overriding, overruling, palms, paramount, paramountcy, permanent, perpetual, power, predominant, preeminent, premier, presidency, primacy, primary, prime, principal, radiant, ranking, record, rule, sacred, say, shaping, sovereign, sovereignty, summital, superior, superlative, supremacy, supreme, sway, timeless, tip-top, top, top spot, top-drawer, top-notch, topmost, ubiquitous, ultimate, unbounded, unchanging, undefined, unlimited, upmost, upper, uppermost, utmost, vertical, zenith, zenithal