unable to be seen; not visible to the eye

A person or thing regarded as a symbol of something, or a graphic symbol on a screen.

a careful examination of something, especially to check that it is correct or safe

Things that motivate or encourage one to do something.

Having a major impact or effect; powerful and forceful.

To make someone annoyed or angry; to cause discomfort or inflammation.

To recognize or establish who or what someone or something is.

the process of recognizing or proving who or what someone or something is

The action or process of integrating; the process of combining or adding parts to make a unified whole.

having no particular interest or concern; not caring one way or another

Of vital importance; crucial; giving or expressing a command.

a person who acts in a way that is considered very stupid or foolish

The ability of an organism to resist a particular infection or toxin by the action of specific antibodies.

a situation that is strange or amusing because it is the opposite of what is expected; the use of words to convey the opposite meaning

the process or fact of isolating or being isolated; separation from other people or things

lacking knowledge or awareness; uninformed

lack of stability or balance; tendency to change, fail, or collapse easily

limitless or endless in space, extent, or number

To put a decision or plan into effect; to execute or apply.

Not producing any significant or desired effect; not achieving the intended result.

The artificial application of water to land or soil.

Not finished, lacking some parts or not whole.

Combining or coordinating separate elements so as to provide a harmonious, interrelated whole.

to speak or act in a way that hurts someone's feelings or shows disrespect

lacking the ability, skill, or capacity to do something

the act of stopping or breaking the continuity of something; a pause caused by an external action

a thing that is or is likely to be wrongly perceived or interpreted; a false idea or belief

To contaminate with a disease-causing organism.

Suggested or understood without being directly stated.

The ability to understand the true nature of something; deep understanding.

Too small or unimportant to be worth considering.

extremely large or great; huge

To combine or bring together into a unified whole.

happening in the opposite way to what is expected, often amusing or sarcastic

the action or state of including or being included within a group or structure

lack of confidence or assurance; a state of uncertainty or vulnerability

extremely stupid; foolish; senseless

a sign or piece of information that indicates something; a suggestion or hint

as a noun, an organization founded for a specific purpose; as a verb, to establish or initiate

an image or representation of a god used as an object of worship; a person who is greatly admired

The inability to read and write; lack of education or knowledge in a particular area.

to put or place something into something else

To suggest something without directly stating it.

a person or animal that lives in a particular place

in a way that is not direct; through an intermediate means or influence

a person who translates orally from one language into another; someone who explains meaning

relating to Islam, its followers, or its teachings

The act of putting money into financial schemes, shares, property, or a commercial venture with the expectation of achieving a profit.

Lack of fairness or justice; the practice of being unjust or unfair.

Alone or separated from others; having little or no contact with other people.

the act of demanding something firmly or repeatedly

Relating to the intellect; a person who engages in critical thinking and study.

to breathe in; to draw air into the lungs

The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.

causing trouble, difficulties, or discomfort; awkward; troublesome

lack of good manners or courtesy; rude behavior

extremely cold; covered with ice; unfriendly or hostile

expressing irony; having the nature of irony

The development of industries in a country or region on a wide scale.

To introduce new methods, ideas, or products.

Serving as an introduction; preliminary or preparatory.

having a tendency or disposition toward something

existing only in imagination; not real; fictional

to come to live permanently in a foreign country

The process of putting a decision or plan into effect; execution.

An alphabetical list of names, subjects, etc. with references to the places where they occur, typically found at the end of a book; a sign or measure of something.

not even or consistent in shape, pattern, time, or behavior; not following normal rules

to teach; to give directions

Allowing a two-way flow of information between it and a user, responding to the user's input.

not correct; containing errors; wrong

Certain to happen; unavoidable.

capable of causing infection or disease; spreading easily from one person to another; able to spread feelings or attitudes such as enthusiasm

Put a decision or plan into effect; carried out or executed.

exactly the same; not different in any way

Relating to an empire or emperor; having supreme authority.

to arouse curiosity or interest; to make someone fascinated

A localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful.

To separate something or someone from others.

A natural way of behaving or reacting that does not require learning.

A person with the ability to influence potential buyers of a product or service by promoting or recommending the items on social media.

To establish or apply by authority; to force something unwelcome or unfamiliar to be accepted or put in place.

providing knowledge or information; intended to teach

not fully developed; lacking emotional or intellectual development; childish

unwilling to accept or respect beliefs or behavior different from one's own

the purpose or reason behind an action; a strong determination to do something

having great influence on someone or something; powerful; persuasive

inappropriate; incorrect; not suitable

mentally ill; extremely foolish or unreasonable

Originating or occurring naturally in a particular place; native.

to explain or make something clear by using examples, pictures, or comparisons

The quality of being extreme, strong, or forceful in degree.

A unit of length equal to 2.54 centimeters; or to move slowly and carefully in small amounts.

The rapid development of industry that occurred in Britain in the late 18th and 19th centuries, brought about by the introduction of machinery and characterized by the use of steam power and the growth of factories.

the act of taking part in something

the inside part of something; inner area of a place or object

a person who creates or designs something new, especially a device, method, or process

The action or process of intervening; involvement in a situation to improve or help it.

a period of time between two events or points; a pause or break in activity

to enter a place or country forcefully, especially as an enemy

Of extreme force, degree, or strength.

trouble or difficulty caused to someone; to cause trouble or difficulty to someone

to cause something unpleasant or painful to be suffered by someone or something

Showing deep understanding or perceptiveness.

to put someone in prison; to confine or restrict someone's freedom

relating to Iraq or its people

to begin or start; to introduce someone to a new activity

not connected with or relevant to something; having no bearing on the matter

Not perfect; having faults or flaws.

a point where two systems, subjects, or organizations meet and interact

in a manner showing annoyance or restlessness due to delay or waiting

Involving a lot of effort, energy, or concentration in a short period of time.

to force someone to accept something; to establish or apply by authority

Of lower quality, rank, or status.

in a rude or discourteous manner; without showing respect or proper manners

a sudden strong and unreflective urge or desire to act; a driving force or motivation

not suitable or proper in the circumstances

Necessary to make a complete whole; essential or fundamental.

not achieving maximum productivity; wasteful of time or resources

A very young child or baby.

to live in; to occupy as a dwelling

Not enough; inadequate.