-ulous, -ulously

1. Acid or sour.
2. Slightly sour, sourish, sub-acid; somewhat acidic.
3. Cutting and sharp in speech or tone.

1. Absorbent of moisture.
2. Addicted to drinking or tippling.
3. Related to drinking.

Full of little cavities or holes; such as, cavernulous metal.

Surrounded by clouds.

1. Ready or too easily disposed to believe.
2. Overly ready to believe; apt to believe on weak or insufficient grounds.
3. Someone is credulous when he or she is all too ready to believe something or someone.

1. A reference to being disposed to believe too readily; easily gullible.
2. In a credulous manner.

1. Flying in the twilight or evening, or before sunrise; referring to certain birds and insects.
2. Pertaining to twilight; glimmering; hence, imperfectly clear or luminous.

Creatures that feed only in the twilight; such as, bats and owls, are called crepuscular.

1. Referring to someone who is eager or ambitious to equal or to surpass others.
2. Characterized or prompted by a spirit of rivalry.

1. Characterized as someone who is seeking to match or to rival another's achievement or performance.
2. Motivated or characterized by rivalry or imitation.

1. Informally speaking, extremely good, pleasant, or enjoyable: "Lynne was told that she did a fabulous singing performance."
2. Amazingly or almost unbelievably great or wonderful: "Bert's business grew increasingly profitable, earning him fabulous wealth."
3. Existing only in, described in, or typical of myths and legends.

1. A reference to being amazingly, or almost unbelievably great, or impressive.
2. Relating to, or describing, that which is typical of myths and legends.
3. Characterized by being extremely good, pleasant, or enjoyable.

1. Marvelously excellent, of the highest quality.
2. Extremely good, fine, or desirable; excellent; wonderful.
3. Etymology: a slang term consisting of a blend of fantastic and fabulous.