All significant synonyms

adj significant

• telling — having force or effect; effective; striking: a telling blow.
• important — of much or great significance or consequence: an important event in world history.
• powerful — physically strong, as a person: a large, powerful athlete.
• symbolic — serving as a symbol of something (often followed by of).
• important — of much or great significance or consequence: an important event in world history.
• compelling — A compelling argument or reason is one that convinces you that something is true or that something should be done.
• serious — of, showing, or characterized by deep thought.
• momentous — of great or far-reaching importance or consequence: a momentous day.
• noteworthy — worthy of notice or attention; notable; remarkable: a noteworthy addition to our collection of rare books.
• big — A big person or thing is large in physical size.
• notable — worthy of note or notice; noteworthy: a notable success; a notable theory.
• vital — of or relating to life: vital processes.
• substantial — of ample or considerable amount, quantity, size, etc.: a substantial sum of money.
• consequential — Consequential means the same as consequent.
• meaningful — full of meaning, significance, purpose, or value; purposeful; significant: a meaningful wink; a meaningful choice.
• considerable — Considerable means great in amount or degree.
• cogent — A cogent reason, argument, or example is strong and convincing.
• 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.
• forceful — full of force; powerful; vigorous; effective: a forceful plea for peace.
• heavy — of great weight; hard to lift or carry: a heavy load.
• indicative — showing, signifying, or pointing out; expressive or suggestive (usually followed by of): behavior indicative of mental disorder.
• knowing — affecting, implying, or deliberately revealing shrewd knowledge of secret or private information: a knowing glance.
• meaning — what is intended to be, or actually is, expressed or indicated; signification; import: the three meanings of a word.
• pregnant — convincing; cogent: a pregnant argument.
• representative — a person or thing that represents another or others.
• rich — having wealth or great possessions; abundantly supplied with resources, means, or funds; wealthy: a rich man; a rich nation.
• sententious — abounding in pithy aphorisms or maxims: a sententious book.
• 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.
• suggestive — that suggests; referring to other thoughts, persons, etc.: His recommendation was suggestive of his boss's thinking.
• valid — sound; just; well-founded: a valid reason.
• weighty — having considerable weight; heavy; ponderous: a weighty bundle.
• denoting — to be a mark or sign of; indicate: A fever often denotes an infection.
• material — the substance or substances of which a thing is made or composed: Stone is a durable material.