Synonym: confront, dare, defy, dispute, doubt, question. Similar words: challenged, length, at length, engender, hallelujah, passenger, sullen, pollen. Meaning: ['tʃælɪndʒ] 
n. 1. a demanding or stimulating situation 2. a call to engage in a contest or fight 3. questioning a statement and demanding an explanation 4. a formal objection to the selection of a particular person as a juror 5. a demand by a sentry for a password or identification. v. 1. take exception to 2. issue a challenge to 3. ask for identification 4. raise a formal objection in a court of law.
n. 1. a demanding or stimulating situation 2. a call to engage in a contest or fight 3. questioning a statement and demanding an explanation 4. a formal objection to the selection of a particular person as a juror 5. a demand by a sentry for a password or identification. v. 1. take exception to 2. issue a challenge to 3. ask for identification 4. raise a formal objection in a court of law. 
Random good picture Not show
151. I look forward to the challenge ahead with great enthusiasm.
152. I had a feeling that the challenge appealed to him. All he needed was a nudge.
153. The opposition is / are mounting a strong challenge to our business.
154. His school reports said that he is always ready to accept a challenge .
155. The demonstration represents a direct challenge to the new law.
156. The chairwoman is up against the greatest challenge to her position.
157. It was courageous of her to challenge the managing director's decision.
158. Our team will have to fight off the challenge from better trained teams.
159. Rick took up the challenge and cycled the 250 mile route alone.
160. I must be careful not to tread on their toes. My job is to challenge, but not threaten them.
161. I called out a challenge, but there was no reply.
162. They are ready to mount a challenge for the championship.
163. They were hardly aware of the challenge facing them, namely, to re-establish prosperity.
164. Perhaps the opposed parties will lay aside their sectional interests and rise to this challenge.
165. This is both an affront and a challenge.
166. All human achievement, he thought[sentencedict.com], involved challenge and response.
167. Irony regards every simple truth as a challenge. Mason Cooley 
168. Preservation of our environment is not a liberal or conservative challenge, it's common sense. Ronald Reagan
169. Every moment of life is a challenge to choose. Some win, some lose. RVM
170. How willing were abolitionists to challenge both the accepted ways of acting publicly and by whom the action should be undertaken?
171. Each day is a new challenge, a fresh opportunity to transform your life and make it more meaningful. Dr Roopleen
172. Second, whether adoptive parents could be found who are willing to take on this new challenge.
173. Do not stop thinking of life as an adventure. You have no security unless you can live bravely, excitingly,(www.Sentencedict.com) imaginatively; unless you can choose a challenge instead of competence. Eleanor Roosevelt
174. The challenge in life is not to have the absence of fear, but to have the courage to overcome it. RVM
175. You are anyone in your organization confronted by the challenge of learning new and different ways of adding value to performance.
176. The initial founding of a squatter settlement is, itself, an illegal act and, therefore, a challenge to authority.
177. Life is a great challenge to human beings, mentally, psychologically, emotionally and physically. Dr T.P.Chia
178. The Marquis does not wish to accept the challenge from an old man but Juan insists.
179. The world has been secularizing at the expense of organized religion. The increase of secular people, including atheists, agnostics and freethinkers, represents a great challenge to the God-based religion. Dr T.P.Chia
180. The greatest challenge to any thinker is stating the problem in a way that will allow a solution. Bertrand Russell
More similar words: challenged, length, at length, engender, hallelujah, passenger, sullen, pollen, change, millennia, excellent, exchange, changeable, unchangeable, in exchange for, half, whale, hallway, behalf, shallow, halfway, in half, engage, engine, exhalation, on behalf of, English, engaged, engulfed, engineer.