super-duper

adjective

su·​per-du·​per ˈsü-pər-ˈdü-pər 

: of the greatest excellence, size, effectiveness, or impressiveness

Synonyms

• astronomical
• astronomic
• Brobdingnagian
• bumper
• colossal
• cosmic
• cosmical
• cyclopean
• elephantine
• enormous
• galactic
• gargantuan
• giant
• gigantesque
• gigantic
• grand
• herculean
• heroic
• heroical
• Himalayan
• huge
• humongous
• humungous
• immense
• jumbo
• king-size
• king-sized
• leviathan
• mammoth
• massive
• mega
• mighty
• monster
• monstrous
• monumental
• mountainous
• oceanic
• pharaonic
• planetary
• prodigious
• super
• supersize
• supersized
• titanic
• tremendous
• vast
• vasty
• walloping
• whacking
• whopping

Examples of super-duper in a Sentence

their super-duper ice cream sundaes are true diet busters

Word History

Etymology

reduplication of super entry 1

First Known Use

1938, in the meaning defined above