English to English Dictionary

Oasis

A fertile or green spot in a desert, made so by the presence of water.

Obeisance

A deferential gesture, such as a bow or curtsy, expressing deep respect or reverence.

Obligatoriness

The quality or state of being obligatory; the requirement to do something.

Obliqueness

The state or quality of being neither parallel nor at a right angle to a specified or implied line; slanting or inclination.

Obliterate

To destroy utterly; wipe out.

Oblivion

The state of being unaware or unconscious of what is happening around one.

Obscure

Not discovered or known about; uncertain.

Obscurity

The state of being unknown, inconspicuous, or unimportant.

Obsessive-love

A pathological form of attachment characterized by an overwhelming, intrusive preoccupation with another person, often accompanied by possessive and controlling behaviors.

Obsidian

A dark, glasslike volcanic rock that forms when lava cools rapidly without crystal growth.

Obsolescence

The state of being obsolete or no longer produced or used, or no longer useful.

Obstinacy

The quality or condition of being stubborn; refusing to change one's opinion or chosen course of action, despite attempts to persuade one to do so.