ETYM Old Eng. giant, geant, geaunt, Old Fren. jaiant, geant, French géant, Latin gigas, from Greek giga, from the root of Eng. gender, genesis. Related to Gender, Gigantic.
1. A very large person; impressive in size or qualities; SYN. hulk, heavyweight, whale.
2. An imaginary figure of superhuman size and strength; appears in folklore and fair tales.
3. An unusually large enterprise.
4. Any creature of exceptional size.
5. Someone who is abnormally large; SYN. goliath, behemoth, monster, colossus.
In many mythologies and folklore, a person of extraordinary size, often characterized as stupid and aggressive. In Greek mythology the giants grew from the spilled blood of Uranus and rebelled against the gods. During the Middle Ages, wicker effigies of giants were carried in midsummer processions in many parts of Europe and sometimes burned.

Like a giant; extraordinary in size, strength, or power.