A big person
Beefy
Fat
Heavy
Hefty
Large
OverweightA big lake
Immense
Vast
WideA big decision
Important
Major
SeriousA small speck
Microscopic
Minute
Teeny
Tiny
TitchyA small space
Cramped
Narrow
PokyA small mistake
Minor
Slight
UnimportantTiny
Dainty
Little
PetiteBig
Colossal
Enormous
Gigantic
Huge
MassiveTall
Lanky
Long-legged
ToweringShort
Dumpy
Stubby
SquatThin
Bony
Lean
Skinny
Slender