used before a singular noun to mean one of a group, when it is not a particular one
From this reading The flashlight revealed not a single opening.
(quantifier) used with either mass or count nouns to indicate the whole number or amount of or every one of a class
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
used to join words or parts of a sentence that go together
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
AUTOnounUS /ˈɔːtoʊ/
a motor vehicle with four wheels; usually propelled by an internal combustion engine
From this reading THE AUTO THIEVES The cave-in had imprisoned the Hardy boys.
barriernounUS /ˈbæriər/
a structure or object that impedes free movement
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
used with a past participle to form the passive, or with -ing for continuous tenses
From this reading The boys realized that there was nothing to be gained by shouting for help.
blockedadjectiveUS /blɑːkt/
closed to traffic
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
plural of “boy” — a youthful male person
From this reading THE AUTO THIEVES The cave-in had imprisoned the Hardy boys.
showing who or what does the action
From this reading The boys realized that there was nothing to be gained by shouting for help.
a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
cave-in
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading THE AUTO THIEVES The cave-in had imprisoned the Hardy boys.
without stop or interruption
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
dubiouslyadverbUS /ˈduːbiəsliː/
in a questionable and dubious manner
From this reading "Now we're in for it," remarked Joe dubiously.
flashlightnounUS /ˈflæʃlaɪt/
a small portable battery-powered electric lamp
From this reading The flashlight revealed not a single opening.
intended to be given to, or used by, somebody
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
past form of “gain” — obtain
From this reading The boys realized that there was nothing to be gained by shouting for help.
hadauxiliary verbUS /hæd/
the past form of “have”, used to form the past perfect
From this reading THE AUTO THIEVES The cave-in had imprisoned the Hardy boys.
HardyadjectiveUS /ˈhɑːrdi/
having rugged physical strength; inured to fatigue or hardships
From this reading THE AUTO THIEVES The cave-in had imprisoned the Hardy boys.
give help or assistance; be of service
From this reading The boys realized that there was nothing to be gained by shouting for help.
imprisonedadjectiveUS /ˌɪmˈprɪzənd/
being in captivity
From this reading THE AUTO THIEVES The cave-in had imprisoned the Hardy boys.
inside something, or within a place, period, or state
From this reading "Now we're in for it," remarked Joe dubiously.
a thing, animal, or idea already mentioned
From this reading "Now we're in for it," remarked Joe dubiously.
Joe
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading "Now we're in for it," remarked Joe dubiously.
inflected form of “know” — be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
used to make a word, phrase, or sentence negative
From this reading The flashlight revealed not a single opening.
not one thing; not anything
From this reading The boys realized that there was nothing to be gained by shouting for help.
in the historical present; at this point in the narration of a series of past events
From this reading "Now we're in for it," remarked Joe dubiously.
an open or empty space in or between things
From this reading The flashlight revealed not a single opening.
outeradjectiveUS /ˈaʊtər/
being on the outside or further from a center
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
successfully completed or brought to an end
From this reading The boys realized that there was nothing to be gained by shouting for help.
past form of “remark” — make mention of
From this reading "Now we're in for it," remarked Joe dubiously.
past form of “reveal” — make visible
From this reading The flashlight revealed not a single opening.
precisely, exactly
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
encouragement in the form of cheers from spectators
From this reading The boys realized that there was nothing to be gained by shouting for help.
being or characteristic of a single thing or person
From this reading The flashlight revealed not a single opening.
used to introduce what somebody said, thought, or felt
From this reading The boys realized that there was nothing to be gained by shouting for help.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading THE AUTO THIEVES The cave-in had imprisoned the Hardy boys.
in or at that place or location
From this reading The boys realized that there was nothing to be gained by shouting for help.
THIEVESnounUS /θiːvz/
plural of “thief” — a criminal who takes property belonging to someone else with the intention of keeping it or selling it
From this reading THE AUTO THIEVES The cave-in had imprisoned the Hardy boys.
used before the base form of a verb to make the infinitive
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
tunnelverbUS /ˈtʌnəl/
move through by or as by digging
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
being or moving higher in position or greater in some value; being above a former position or level
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
wasauxiliary verbUS /wɑːz/
the past form of “be” used with I, he, she, it, or a singular noun
From this reading The tunnel was blocked up, and for all the boys knew the barrier continued right to the outer cave.
we're
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading "Now we're in for it," remarked Joe dubiously.