"Effrayante" is the feminine form of the adjective "effrayant," which means "frightening" or "scary" in French. The masculine form is "effrayant." In French, adjectives agree in gender with the nouns they modify, so "effrayante" would be used with feminine nouns.
Feminine
its masculine no doubt
feminine
Masculine
masculine
La pizarra is feminine, (el) is masculine, and (la) is feminine.
Une école feminine
it is masculine so El
directeur → masculine directrice→ feminine
Masculine is the opposite of feminine.
feminine
Feminine