heavy

1 of 3

adjective

heavier; heaviest
1
a
: having great weight
also : characterized by mass or weight
how heavy is it?
b
: having a high specific gravity : having great weight in proportion to bulk
Lead and gold are heavy metals.
c(1)
of an isotope : having or being atoms of greater than normal mass for that element
heavy carbons
(2)
of a chemical compound : containing heavy isotopes
heavy ammonia
2
: difficult to bear
specifically : causing or characterized by severe pain or suffering
a heavy sorrow
3
: of weighty import : serious
heavy consequences
4
: characterized by depth or intensity : profound
a heavy silence
5
a
: borne down by something oppressive : burdened
returned with heavy spirit
b
: pregnant
especially : approaching parturition
She is heavy with child.
6
a
: slow or dull from loss of vitality or resiliency : sluggish
a tired heavy step
b
: lacking sparkle or vivacity : drab
a heavy writing style
c
: lacking mirth or gaiety : cheerless
d
: characterized by declining prices
The market is heavy.
7
: dulled with weariness : drowsy
eyes were growing heavy
8
: greater in quantity or quality than the average of its kind or class: such as
a
: of unusually large size or amount
a heavy turnout
b
: of great force
heavy seas
c
: threatening to rain or snow
a heavy sky
heavy clouds
d(1)
: impeding motion
heavy traffic
(2)
: full of clay and inclined to hold water
heavy soil
e
: coming as if from a depth : loud
heavy breathing
f
: thick, dense
a heavy beard
a heavy growth of timber
heavy syrup
g
: oppressive, overwhelming
heavy perfume
heavy weather
rule with a heavy hand
h
: steep, acute
on a heavy grade
i
: laborious, difficult
heavy going
j
: immoderate
a heavy smoker
k
: more powerful than usual for its kind
a heavy cavalry
a heavy cruiser
l
: of large capacity or output
a heavy pump
9
a
: very rich and hard to digest
heavy desserts
b
: not properly raised or leavened
heavy bread
10
: producing goods (such as coal, steel, or chemicals) used in the production of other goods
heavy industry
11
a
: having stress (see stress entry 1 sense 5a)
a heavy rhythm
used especially of syllables in accentual verse
b
: being the strongest degree of stress in speech
the heavy stress on the first syllable of basketball
12
: relating to theatrical parts of a grave or somber nature
playing heavy roles
13
: possessing a high degree or a great deal of something specified : long
heavy on ideas
14
: important, prominent
a heavy politician
heaviness noun

heavy

2 of 3

adverb

: to a great or overwhelming degree
weighed heavy on her mind
: with or as if with great weight : in a heavy manner : heavily
Clouds hung heavy in the sky.

heavy

3 of 3

noun

plural heavies
1
2
a
: a theatrical role of a dignified or somber character
also : an actor playing such a role
b
: a character in a story or play who opposes the hero : villain
c
: one blamed for a particular evil or difficulty : villain
d
: someone or something influential, serious, or important
Choose the Right Synonym for heavy

heavy, weighty, ponderous, cumbrous, cumbersome mean having great weight.

heavy implies that something has greater density or thickness than the average of its kind or class.

a heavy child for his age

weighty suggests having actual and not just relative weight.

a load of weighty boxes

ponderous implies having great weight because of size and massiveness with resulting great inertia.

ponderous elephants in a circus parade

cumbrous and cumbersome imply heaviness and bulkiness that make for difficulty in grasping, moving, carrying, or manipulating.

wrestled with the cumbrous furniture
early cameras were cumbersome and inconvenient

Examples of heavy in a Sentence

Adjective “Is that box too heavy for you to lift?” “No, it's not very heavy.” The truck was carrying a heavy load. The man was six feet tall with a heavy build. Turnout for the election is expected to be heavy. We got caught in heavy traffic. Heavy rains caused flooding in the area. She was wearing sunglasses and heavy makeup. The storm caused heavy damage to the building. The company is facing heavy losses this quarter. a day of heavy fighting Adverb The smoke hung heavy in the air. Noun He played the heavy in film after film. The conference will be attended by several media heavies. They have become one of the industry heavies.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Army recruits embark on long marches with heavy rucksacks as part of their training regimen. Alyssa Ages, Outside Online, 18 Nov. 2024 Full global-scale deployment of SAI would require the construction of at least 100 new high-altitude jets that could carry and release a heavy payload on a 24/7 basis at various latitudes, costing somewhere in the region of $18 billion to $35 billion a year. Lara Williams, The Mercury News, 15 Nov. 2024
Adverb
In the bill’s next incarnation, Umberg plans to dive heavy into the data. Teri Sforza, Orange County Register, 28 May 2024 Finishing a Spartan race was a big moment for me, being a guy who used to start breathing heavy after two flights of stairs. Dalton Ross, EW.com, 6 Sep. 2023
Noun
Gladiator 2 has Denzel Washington and Pedro Pascal as Colosseum-adjacent heavies. Nate Jones, Vulture, 3 Oct. 2024 With this year's costumes trend predicted to be extra pop-culture heavy, some obvious duo costumes, like Deadpool and Wolverine, come to mind. Mary Walrath-Holdridge, USA TODAY, 5 Oct. 2024 See all Example Sentences for heavy 

Word History

Etymology

Adjective and Adverb

Middle English hevy, from Old English hefig; akin to Old High German hebīc heavy, Old English hebban to lift — more at heave entry 1

First Known Use

Adjective

before the 12th century, in the meaning defined at sense 1a

Adverb

before the 12th century, in the meaning defined above

Noun

1897, in the meaning defined at sense 1

Time Traveler
The first known use of heavy was before the 12th century

Dictionary Entries Near heavy

Cite this Entry

“Heavy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heavy. Accessed 23 Nov. 2024.

Kids Definition

heavy

1 of 3 adjective
heavier; heaviest
1
a
: having great weight or greater than usual weight
b
: weighty in proportion to bulk : having a high density
gold is a heavy metal
c
: having or being atoms of greater than normal mass
heavy isotopes
2
: very hard to deal with : grievous
a heavy sorrow
3
: of weighty importance : serious
words heavy with meaning
4
: lacking life, gaiety, or charm : dull
5
6
: greater in volume, force, or power than the average
heavy traffic
heavy seas
heavy infantry
7
: overcast entry 2
a heavy sky
8
: laborious sense 2, labored
heavy breathing
9
: using or consuming much
a heavy eater
10
: rich and not easily digested
heavy desserts
11
: producing goods (as coal or steel) used in the production of other goods
heavy industry
heavily
ˈhev-ə-lē
adverb
heaviness
ˈhev-ē-nəs
noun

heavy

2 of 3 adverb
: in a heavy manner : heavily
time hung heavy on their hands

heavy

3 of 3 noun
plural heavies
1
2
a
: a theatrical role or an actor representing a dignified or impressive person

More from Merriam-Webster on heavy

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!