Need for a particular purpose; depend on for success or survival

Example:

It would have required much research to produce a comprehensive list.

Part of speech:

Require (Verb);Requirement (Noun);Requirer (Noun)

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions

Example:

We are fighting meningitis by raising money for medical research.

Part of Speech:

Research (Noun);Researcher (Noun);Researchable (Adjective)

Have one's permanent home in a particular place

Example :

People who work in the city actually reside in neighboring towns.

Part Of Speech:

Reside (Verb)

Settle or find a solution to (a problem, dispute, or contentious matter)

Example:

 Symptoms resolved after a median of four weeks.

Part of Speech:

Resolve (Verb);Resolvability (Noun) Resolvable (Adjective);Resolver (Noun)

No a stock or supply of money, materials, staff, and other assets that can be drawn on by a person or organization in order to function effectively

Example:

Local authorities complained that they lacked resources.

Part of Speech:

Resource (Noun);Resourceless (Adjective) Resourcelessness (Noun)

Say something in reply : [ intrans. ]

Example:

She could not get Robert to respond to her words | [with clause ] he responded that it would not be feasible.

Part of Speech :

Respond (Verb);Respondence (Noun) Respondency(Noun);Responder (Noun)

Bring back (a previous right, practice, custom, or situation); reinstate

Example:

The effort to restore him to office isn't working.

Part of Speech:Restore (Verb);Restorable (Adjective);Restorer (Noun)

Prevent (someone or something) from doing something; keep under control or within limits

Example:

He had to be restrained from walking out of the meeting.

Part of Speech:

Restrain (Verb);Restrainable (Adjective);Restrainer (Noun)

Put a limit on; keep under control

Example:

Some roads may have to be closed at peak times to restrict the number of visitors.

Part of Speech:

Restrict (Verb)

Continue to have (something); keep possession of

Example:

Built in 1830, the house retains many of its original features.

Part of Speech:

Retain (Verb);Retainability (Noun);Retainment (Noun);Retainable (Adjective)

Make (previously unknown or secret information) known to others

Example:

 Brenda was forced to reveal Robbie's whereabouts.

Part of Speech: Reveal (Verb);Revealable (Adjective) Revealer (Noun)

Income, esp. when of a company or organization and of a substantial nature.

Example:

 A state's annual revenue from which public expenses are met.

Part of Speech:

Revenue (Noun)

Move backward

Example:

The truck reversed into the back of a bus.

Part of Speech:

Reverse (Verb);Reversely (Adverb);Reverser (Noun)

Reconsider and alter (something) in the light of further evidence.

Example:

He had cause to revise his opinion a moment after expressing it.

Part of Speech:

Revise (Verb);Revisable (Adjective);Revisal (Noun) Reviser (Noun);Revisory(Adjective)

A forcible overthrow of a government or social order in favor of a new system.

Example:

 Marketing underwent a revolution.

Part of Speech:

Revolution (Noun);Revolutionism (Noun);Revolutionist (Noun)

Unable to bend or be forced out of shape; not flexible

Example:

Rigid ships are the dirigibles in which the bag is built around a metallic framework.

Part of Speech: Rigid (Adjective);Rigidify (Verb) Rigidly (Adverb);Rigidity (Noun);Rigidness (Noun)

An actor's part in a play, movie, etc.

Example:

Dietrich's role as a wife in war-torn Paris.

Part of Speech:

Role (Noun)

A way or course taken in getting from a starting point to a destination.

Example:

 Our route was via the Jerusalem road.

Part of Speech:

Route (Noun);Routing (Verb)

A written outline of a movie, novel, or stage work giving details of the plot and individual scenes

Example:

A possible scenario is that he was attacked after opening the front door.

Part of Speech:

Scenario (Noun)

A plan for carrying out a process or procedure, giving lists of intended events and times

Example:

We have drawn up an engineering schedule.

Part of Speech:

Schedule (Noun);Schedular (Adjective)

A large-scale systematic plan or arrangement for attaining some particular object or putting a particular idea into effect

Example:

Police uncovered a scheme to steal paintings worth more than $250,000.

Part of Speech:

Scheme (Noun)

The extent of the area or subject matter that something deals with or to which it is relevant

Example:

We widened the scope of our investigation ; such questions go well beyond the scope of this book.

Part of Speech:

Scope (Noun)

Any of the more or less distinct parts into which something is or may be divided or from which it is made up

Example:

 Arrange orange sections on a platter.

Part of Speech:

Section (Noun);Sectioned (Adjective)

An area or portion that is distinct from others.

Example:

What is the total oil output from the British sector of the North Sea?

Part of Speech:

Sector (Noun);Sectoral (Adjective)