Antonyms of verb reassure

1 of 2 senses of reassure

Sense 1
reassure, assure -- (cause to feel sure; give reassurance to; "The airline tried to reassure the customers that the planes were safe")
       Antonym of worry (Sense 3)
      => worry, vex -- (disturb the peace of mind of; afflict with mental agitation or distress; "I cannot sleep--my daughter's health is worrying me")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb reassure

2 senses of reassure

Sense 1
reassure, assure -- (cause to feel sure; give reassurance to; "The airline tried to reassure the customers that the planes were safe")
       => calm, calm down, quiet, tranquilize, tranquillize, tranquillise, quieten, lull, still -- (make calm or still; "quiet the dragons of worry and fear")

Sense 2
reassure -- (give or restore confidence in; cause to feel sure or certain; "I reassured him that we were safe")
       => assure -- (assure somebody of the truth of something with the intention of giving the listener confidence; "I assured him that traveling to Cambodia was safe")

Antonyms of adj reassured

1 sense of reassured

Sense 1
reassured -- (having confidence restored; freed from anxiety; "reassured by her praise he pressed on")

INDIRECT (VIA confident) -> diffident, shy, timid, unsure -- (lacking self-confidence; "stood in the doorway diffident and abashed"; "problems that call for bold not timid responses"; "a very unsure young man")

Similarity of adj reassured

1 sense of reassured

Sense 1
reassured -- (having confidence restored; freed from anxiety; "reassured by her praise he pressed on")
       => confident (vs. diffident) -- (having or marked by confidence or assurance; "a confident speaker"; "a confident reply"; "his manner is more confident these days"; "confident of fulfillment")