GRE jumbo Definition Very large; gigantic. Example "They ordered a jumbo burger that was too big for one person to eat." Sign in to save GRE PDF — $25 ← jumble junction → Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant