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Practise English on your Android device.
Noun
Example: “The new venture attracted investors.”
Synonyms: enterprise, project
Antonyms: safe routine
Adverb
Example: “The box was insecurely tied.”
Synonyms: uncertainly, unsafely
Antonyms: securely, confidently
Example: “She spoke with deep conviction.”
Synonyms: belief, certainty
Antonyms: doubt, uncertainty
Verb
Example: “It is useless to speculate without evidence.”
Synonyms: guess, theorize
Antonyms: know, verify
Example: “I doubt that he will come on time.”
Synonyms: question, uncertainty
Antonyms: trust, certainty
Example: “Scientists hypothesize that the climate was once much wetter.”
Synonyms: theorize, speculate
Antonyms: verify, confirm
Adjective
Example: “She showed unwavering support throughout the crisis.”
Synonyms: steadfast, firm
Antonyms: uncertain, wavering
Example: “I am certain about it.”
Synonyms: sure
Antonyms: uncertain
Example: “His response was deliberately equivocal.”
Synonyms: ambiguous, unclear
Antonyms: explicit
Example: “She felt ambivalence about the decision.”
Synonyms: uncertainty, conflict
Antonyms: certainty
Example: “I wonder what will happen.”
Synonyms: think, question
Antonyms: know
Example: “Uncertainty is inherent in innovative work.”
Synonyms: intrinsic, implicit, intrinsical
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