adjective
- difficult
- knockout
- severe
- arduous
- backbreaking
- grueling
- gruelling
- heavy
- laborious
- operose
- punishing
- toilsome
- unvoiced
- voiceless
- surd
- concentrated
- intemperate
- strong
- tough
antonyms
related terms
similar terms
- arduous
- strong
- tough
- adamantine
- al dente
- alcoholic
- ambitious
- awkward
- bad
- baffling
- calculating
- calculative
- case-hardened
- catchy
- challenging
- conniving
- corneous
- delicate
- effortful
- embarrassing
- erect
- firm
- fractious
- granitelike
- granitic
- hard-boiled
- hard-fought
- hardened
- herculean
- hornlike
- horny
- indulgent
- knotty
- lignified
- nasty
- ossified
- petrified
- petrous
- problematic
- problematical
- rocklike
- rocky
- rough
- rugged
- scheming
- semihard
- serious
- set
- shrewd
- solid
- stale
- steely
- sticky
- stonelike
- stony
- tall
- thorny
- ticklish
- tight
- touchy
- tricky
- troublesome
- trying
- tumid
- unenviable
- unyielding
- velar
- vexed
- whispered
- woody
adverb
antonyms
sounds kind of like
- haart
- hair dye
- hairdo
- haired
- hairy root
- hard hat
- hard wheat
- hardheaded
- hardihood
- hardwood
- hardy
- haredi
- harried
- harrod
- hart
- harte
- haworth
- hear out
- heard
- heart
- hearth
- heartwood
- hearty
- herat
- herd
- heredity
- herewith
- herod
- hertha
- heyward
- hire out
- hired
- hirohito
- hirudo
- hoard
- horde
- horrid
- horta
- howard
- hrt
- hurried
- hurt