FRIVOL Antonyms

• something of value given by one person to another to bind a contract

• characterized by a firm and humorless belief in the validity of your opinions

• sincerely earnest

• not distracted by anything unrelated to the goal

• of great significance or value

• important in effect or meaning

• of extreme importance; vital to the resolution of a crisis

• having authority or ascendancy or influence

• having or suggesting a consciousness of high position

• having a meaning or purpose

• of very great significance

• concerned with work or important matters rather than play or trivialities

• completely lacking in playfulness

• of great consequence

• causing fear or anxiety by threatening great harm

• appealing to the mind

• requiring effort or concentration; complex and not easy to answer or solve

• important in effect or meaning

• too closely correlated to be attributed to chance and therefore indicating a systematic relation

• of considerable importance, size, or worth

• rich in significance or implication

• having substance or capable of being treated as fact; not imaginary

• of considerable importance, size, or worth

• of or relating to the real nature or essential elements of something

• providing abundant nourishment

• of good quality and condition; solidly built

• having an abundant supply of money or possessions of value

• exhibiting or characterized by careful thought

• taking heed; giving close and thoughtful attention

• having intellectual depth

• characterized by solemn, sincere manner

• considerate of the feelings or well-being of others

• having relatively great weight; heavy

• powerfully persuasive

• of great gravity or crucial import; requiring serious thought

• weighing heavily on the spirit; causing anxiety or worry

• excessively fat