All flimsy antonyms
flim·sy
F f adj flimsy
- healthy — possessing or enjoying good health or a sound and vigorous mentality: a healthy body; a healthy mind.
- sturdy — strongly built; stalwart; robust: sturdy young athletes.
- convincing — If you describe someone or something as convincing, you mean that they make you believe that a particular thing is true, correct, or genuine.
- plausible — having an appearance of truth or reason; seemingly worthy of approval or acceptance; credible; believable: a plausible excuse; a plausible plot.
- strong — having, showing, or able to exert great bodily or muscular power; physically vigorous or robust: a strong boy.
- sound — The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 miles (140 km) long; 3–30 miles (5–48 km) wide.
- thick — having relatively great extent from one surface or side to the opposite; not thin: a thick slice.
- firm — not soft or yielding when pressed; comparatively solid, hard, stiff, or rigid: firm ground; firm texture.
- heavy — of great weight; hard to lift or carry: a heavy load.
- solid — having three dimensions (length, breadth, and thickness), as a geometrical body or figure.
- substantial — of ample or considerable amount, quantity, size, etc.: a substantial sum of money.
- tough — strong and durable; not easily broken or cut.
- reasonable — agreeable to reason or sound judgment; logical: a reasonable choice for chairman.
- serious — of, showing, or characterized by deep thought.
- efficient — (esp. of a system or machine) Achieving maximum productivity with minimum wasted effort or expense.
- able — Someone who is able is very clever or very good at doing something.