Signifying something; carrying meaning. / Having a covert or hidden meaning. / Having a noticeable or major effect. / Reasonably large in number or amount.

That which has significance; a sign; a token; a symbol.

The quality of being significant.

plural of significant

The extent to which something matters; importance / Meaning.

plural of significance

(dated) significance

plural of significancy

(probability) Having a p-value of 0.05 or less (having a probability 5% or less of occurring by random chance; less than 1 chance in 20 of it occurring by chance) / Pertaining to statistical significance

(mathematics) Synonym of significant figure