English Words: O

Excessively eager and attentive to please or to obey instructions; fawning, subservient, servile.

Able to be observed.

The practice of complying with a law, custom, command or rule.

Alert and paying close attention; watchful.

The act of observing, and the fact of being observed (see observance)

Relating to observation, especially scientific observation.

plural of observation

A place where stars, planets and other celestial bodies are observed, usually through a telescope; also place for observing meteorological or other natural phenomena.

To notice or view, especially carefully or with attention to detail.

simple past and past participle of observe

One who makes observations, monitors or takes notice.

present participle and gerund of observe

To be preoccupied with a single topic or emotion.

simple past and past participle of obsess

The quality of being obsessed.

Prone to cause obsession.

In an obsessive manner.

A type of naturally occurring black glass produced by volcanoes.

The state of being obsolete—no longer in use; gone into disuse; disused or neglected.

In the process of becoming obsolete, but not obsolete yet.

No longer in use; gone into disuse; disused or neglected (often in favour of something newer).

A surname from German.

Something that impedes, stands in the way of, or holds up progress, either physically or figuratively

Of or relating to obstetrics (the care of women during and after pregnancy).

Alternative form of obstetric.

A physician who specializes in childbirth.

The care of women during and after pregnancy.

The state, or an act, of stubbornness or doggedness.

Stubbornly adhering to an opinion, purpose, or course, usually with implied unreasonableness; persistent.

In an obstinate manner.

To block or fill (a passage) with obstacles or an obstacle.

The act of obstructing, or state of being obstructed.

A deliberate policy of obstructing something, especially a political process or body.

Someone who systematically obstructs the actions of others.

Causing obstructions.

To get hold of; to gain possession of, to procure; to acquire, in any way.

Able to be obtained.

simple past and past participle of obtain

present participle and gerund of obtain

Of a person: overly assertive, bold, or domineering; pushy; also, ostentatious.

Blunt; not sharp, pointed, or acute in form.

Turned or facing toward the observer.

Clipping of obvious.

To anticipate and prevent or bypass (something which would otherwise have been necessary or required); to render (something) unnecessary.

Easily discovered, seen, or understood; self-explanatory.

In an obvious or clearly apparent manner.

The characteristic of being obvious.

Clipping of obviously.

Initialism of original content.

Any of species Oxalis tuberosa (syn. Oxalis crenata), which bear edible tubers.