reef

1 of 3

noun (1)

ˈrēf

: a part of a sail taken in or let out in regulating size

: reduction in sail area by reefing

reef

2 of 3

verb

reefed; reefing; reefs

transitive verb

: to reduce the area of (a sail) by rolling or folding a portion

: to lower or bring inboard (a spar) wholly or partially

intransitive verb

: to reduce a sail by taking in a reef

reefable

ˈrē-fə-bəl How to pronounce reef (audio)

adjective

reef

3 of 3

noun (2)

: a chain of rocks or coral or a ridge of sand at or near the surface of water compare atoll, barrier reef

: a hazardous obstruction

: lode, vein

reefy

ˈrē-fē

adjective

reefs

noun

plural of reef

as in hazards

Synonyms & Similar Words

Relevance

hazards
dangers
perils
loads
hardships
barriers
burdens
disadvantages
difficulties
adversities
drawbacks
stalls
delays
curbs
restraints
brakes
constraints
stoppages
obstructions
cumbers
obstacles
arrests
impediments
blockades
brick walls
embargoes
snags
stone walls
blockages
chains
holdups
hindrances
interferences
encumbrances
handicaps
bits
blocks
shackles
inhibitions
clogs
hurdles
cramps
reins
deterrents
stumbling blocks
trammels
catches
rubs
crimps
bars
lets
hobbles
checks
embarrassments
hitches
manacles
fetters
stops
holdbacks
balks
drags

Antonyms & Near Antonyms

stimuli
stimulants
incentives
catalysts
edges
spurs
advantages
benefits
breaks
goads
aids
help
impetuses
assistances
handmaidens
handmaids
boosts

单词	reefs
释义	reef 1 of 3 noun (1) ˈrēf 1 : a part of a sail taken in or let out in regulating size 2 : reduction in sail area by reefing reef 2 of 3 verb reefed; reefing; reefs transitive verb 1 : to reduce the area of (a sail) by rolling or folding a portion 2 : to lower or bring inboard (a spar) wholly or partially intransitive verb : to reduce a sail by taking in a reef reefable ˈrē-fə-bəl adjective reef 3 of 3 noun (2) 1 a : a chain of rocks or coral or a ridge of sand at or near the surface of water compare atoll, barrier reef b : a hazardous obstruction 2 : lode, vein reefy ˈrē-fē adjective Word History Etymology Noun (1) Middle English riff, from Old Norse rif; probably akin to Old Norse rīfa to rend — more at rive Noun (2) Dutch rif, from Middle Dutch, from Old Norse, literally rib; akin to Old English ribb rib — more at rib First Known Use Noun (1) 14th century, in the meaning defined at sense 1 Verb 1670, in the meaning defined at transitive sense 1 Noun (2) 1584, in the meaning defined at sense 1a Phrases Containing reef barrier reef whitetip reef shark reef knot coral reef barrier reef whitetip reef shark reef knot coral reef Kids Definition reef noun ˈrēf : a chain of rocks or coral or a ridge of sand at or near the surface of water reefs noun plural of reef as in hazards Synonyms & Similar Words Relevance hazards dangers perils loads hardships barriers burdens disadvantages difficulties adversities drawbacks stalls delays curbs restraints brakes constraints stoppages obstructions cumbers obstacles arrests impediments blockades brick walls embargoes snags stone walls blockages chains holdups hindrances interferences encumbrances handicaps bits blocks shackles inhibitions clogs hurdles cramps reins deterrents stumbling blocks trammels catches rubs crimps bars lets hobbles checks embarrassments hitches manacles fetters stops holdbacks balks drags Antonyms & Near Antonyms stimuli stimulants incentives catalysts edges spurs advantages benefits breaks goads aids help impetuses assistances handmaidens handmaids boosts See More
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reef

noun (1)

verb

noun (2)

Word History

Phrases Containing reef

Kids Definition

noun

noun