1
3
: requiring strength or vigor
robust work
4
: full-bodied
robust coffee
5
: relating to, resembling, or being a specialized group of australopithecines characterized especially by heavy molars and small incisors adapted to a vegetarian diet
Note: Robust australopithecines are included in the genus Australopithecus along with gracile forms or placed in the separate genus Paranthropus.
compare gracile sense 3
robustly
adverb
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Merriam-Webster unabridged
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