Vocabularies

To celebrate or keep a religious or other festival.

a person who watches or notices something

To preoccupy or fill the mind of someone continually and to an excessive degree.

An idea, thought, or concern that continually preoccupies or intrudes on a person's mind.

Relating to or characterized by an obsession; thinking about something too much.

A hard, dark, glasslike volcanic rock formed by rapid solidification of lava.

The state of being no longer useful or in fashion; becoming outdated.

Becoming outdated or on the way to becoming obsolete.

No longer in use or out of date.

something that blocks your way or prevents progress

Things that block one's way or prevent or hinder progress.

A doctor specializing in pregnancy, childbirth, and women's reproductive health.

The branch of medicine dealing with childbirth and care of women giving birth.

Stubborn refusal to change one’s opinion or course of action.

Refusing to change one’s opinion or behavior despite persuasion.

Noisy and difficult to control.

To block or prevent movement, progress, or action.

Something that blocks or gets in the way; the action of obstructing.

a person who deliberately delays or prevents progress by being uncooperative or oppositional

deliberately creating difficulties or preventing progress; hindering or blocking something

to get, acquire, or secure something

to force oneself or one's ideas into a situation uninvited or inappropriately

noticeable in an unpleasant or unwelcome way; intrusive

slow to understand; annoyingly insensitive; also refers to an angle greater than 90° and less than 180°

To turn something so as to face in a different direction; in logic, to convert a proposition by negating both subject and predicate.

To remove a need or difficulty; to prevent or avoid something.

easily perceived or understood; clear and apparent

in a way that is easily perceived or understood; clearly

A particular time or event; a special or important happening.

happening or done sometimes but not regularly or often

from time to time; now and then

The countries of the West, especially Europe and America.

To block or close up an opening or passage.

Relating to mysterious, supernatural, or magical powers and practices.

A person who resides in or is present in a house, vehicle, seat, or place.

a job or profession; the action or state of occupying a place

being in use or taken; filled or lived in; controlled or held by force

to take control or possession of a place or thing

to happen or take place

An incident, event, or something that happens.

Happens or takes place, especially as a result of something.

a large body of salt water that covers most of the Earth's surface

The ongoing decrease in the pH of the Earth's oceans, caused by the absorption of carbon dioxide from the atmosphere.

The formation of layers in ocean water due to differences in density.

A polygon with eight sides and eight angles.

A series of eight musical notes, or the interval between one musical pitch and another with double its frequency.

A size of book page resulting from folding a sheet of paper into eight leaves (sixteen pages).

the tenth month of the year in the Gregorian calendar

A person who is between 80 and 89 years old.

Relating to the eye or vision.