growth stock noun1 •A corporate equity investment instrument which usually does not pay substantial dividends but which increases in value as the company grows, reinvesting its profits, and which typically appeals to investors who have a long-term perspective.Those lucky investors who years ago put $20,000 into International Business Machines, or a similar growth stock, and have seen it soar to $500,000 today, do have some problems. — 1960 formsgrowth stocks