challenge /chalˈinj/

1. To summon (someone) to settle a matter by fighting or by any kind of contest
2. To subject to stress, examination or test
3. To stimulate
4. To accuse
5. To object to
6. To dispute (a statement, judgement, etc)
7. To administer a challenge to (medicine)

(of a hunting dog or hound) to show that a scent has been picked up by emitting a howl or cry

1. A summons to a contest of any kind
2. A calling into question of anyone or anything
3. An objection to a juror
4. The demand for identification and authority made by a sentry
5. An accusation or charge
6. A claim
7. A difficulty which stimulates interest or effort
8. A task, undertaking, etc to test one's powers and capabilities to the full
9. The administration to an immunized person or animal of a substance which causes allergic reaction or infection, in order to test the effectiveness of immunization (medicine)

challˈengeable adjective

That may be challenged

challˈenged adjective (esp N American)

Handicapped or impaired, as in physically challenged

challˈenger noun

1. A person who challenges to a combat or contest of any kind
2. A claimant
3. A person who objects or calls someone or something into question

challˈenging adjective

challˈengingly adverb

• outport
• out-porter
• out-porters
• outports
• outpost
• outposts
• outpour
• outpoured
• outpourer
• outpourers
• outpouring
• outpourings
• outpours
• outpower
• outpowered
• outpowering
• outpowers
• outpray
• outprayed
• outpraying
• outprays
• outprice
• outpriced
• outprices
• outpricing