All lightweight antonyms
light·weight
L l adjective lightweight
- serious — of, showing, or characterized by deep thought.
adj lightweight
- useful — being of use or service; serving some purpose; advantageous, helpful, or of good effect: a useful member of society.
- consequential — Consequential means the same as consequent.
- important — of much or great significance or consequence: an important event in world history.
- significant — important; of consequence.
- big — A big person or thing is large in physical size.
- heavyweight — heavy in weight.
- major — Clarence, born 1936, U.S. novelist and poet.