hard

adjectives

not easy; requiring great physical or mental effort to accomplish or comprehend or endure
"a difficult task"; "nesting places on the cliffs are difficult of access"; "difficult times"; "why is it so hard for you to keep a secret?"
difficult, hard
is derived from
hardness
dispassionate
"took a hard look"; "a hard bargainer";
hard
is derived from
hardness
antonym
soft
is similar to
used of persons
"the most calculating and selfish men in the community"
calculating, calculative, conniving, scheming, shrewd
is similar to
used of persons; emotionally hardened
"faced a case-hardened judge"
case-hardened, hard-boiled, hardened
is similar to
resembling steel as in hardness
"steely eyes"; "steely nerves like those of a steeplejack"
steely
see also
not easy; requiring great physical or mental effort to accomplish or comprehend or endure
"a difficult task"; "nesting places on the cliffs are difficult of access"; "difficult times"; "why is it so hard for you to keep a secret?"
difficult, hard
see also
having or showing no mercy
"the merciless enemy"; "a merciless critic"; "gave him a merciless beating"
merciless, unmerciful
see also
deficient in human sensibility; not mentally or morally sensitive
"insensitive to the needs of the patients"
insensitive
see also
not given to gentleness or sentimentality
"a tough character"
tough
resisting weight or pressure
hard
antonym
soft
is derived from
hardness
is similar to
having the hardness of a diamond
adamantine
is similar to
of pasta cooked so as to be firm when eaten
al dente
is similar to
made of horn (or of a substance resembling horn)
corneous, hornlike, horny
is similar to
of sexual organs; stiff and rigid
erect, tumid
is similar to
not soft or yielding to pressure
"a firm mattress"; "the snow was firm underfoot"; "solid ground"
firm, solid
is similar to
hard as granite
"a granitic fist"
granitelike, granitic, rocklike, stony
is similar to
converted to solid form (as concrete)
hardened, set
is similar to
made hard like wood as the result of the deposition of lignin in the cell walls
woody
is similar to
(of bone especially the temporal bone) resembling stone in hardness
petrous, stonelike
is similar to
somewhat hard
semihard
is similar to
resembling steel in hardness
steely
is similar to
resistant to physical force or pressure
"an unyielding head support"
unyielding
is an attribute of
the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
hardness
very strong or vigorous
"strong winds"; "a hard left to the chin"; "a knockout punch"; "a severe blow"
hard, knockout, severe
characterized by effort to the point of exhaustion; especially physical effort
"worked their arduous way up the mining valley"; "a grueling campaign"; "hard labor"; "heavy work"; "heavy going"; "spent many laborious hours on the project"; "set a punishing pace"
arduous, backbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, toilsome
is derived from
hardness
produced without vibration of the vocal cords
"unvoiced consonants such as `p' and `k' and `s'"
hard, surd, unvoiced, voiceless
(of light) transmitted directly from a pointed light source
concentrated, hard
antonym
soft
(of speech sounds); produced with the back of the tongue raised toward or touching the velum
"Russian distinguished between hard consonants and palatalized or soft consonants"
hard
antonym
soft
is similar to
produced with the back of the tongue touching or near the soft palate (as `k' in `cat' and `g' in `gun' and `ng' in `sing')
velar
given to excessive indulgence of bodily appetites especially for intoxicating liquors
"a hard drinker"
hard, heavy, intemperate
being distilled rather than fermented; having a high alcoholic content
"hard liquor"
hard, strong
unfortunate or hard to bear
"had hard luck"; "a tough break"
hard, tough
is derived from
hardness
dried out
"hard dry rolls left over from the day before"
hard
is similar to
lacking freshness, palatability, or showing deterioration from age
"stale bread"; "the beer was stale"
stale

adverbs

with effort or force or vigor
"the team played hard"; "worked hard all day"; "pressed hard on the lever"; "hit the ball hard"; "slammed the door hard"
hard
with firmness
"held hard to the railing"
firmly, hard
earnestly or intently
"thought hard about it"; "stared hard at the accused"
hard
causing great damage or hardship
"industries hit hard by the depression"; "she was severely affected by the bank's failure"
hard, severely
slowly and with difficulty
"prejudices die hard"
hard
indulging excessively
"he drank heavily"
hard, heavily, intemperately
into a solid condition
"concrete that sets hard within a few hours"
hard
is derived from
hardened
very near or close in space or time
"it stands hard by the railroad tracks"; "they were hard on his heels"; "a strike followed hard upon the plant's opening"
hard
with pain or distress or bitterness
"he took the rejection very hard"
hard
to the full extent possible; all the way
"hard alee"; "the ship went hard astern"; "swung the wheel hard left"
hard