Synonym: artificial, dishonest, false, superficial. Similar words: sincerely, insinuate, insinuation, insistence, cereal, inside, insist, in situ. Meaning: [‚ɪnsɪn'sɪr /-'sɪə] 
adj. lacking sincerity.
adj. lacking sincerity. 
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31. Insincere answer could be more natural as the versatile golf player waves his arms at pleasure.
32. For no life is more insincere than that lived as a masquerade.
33. Such apologies as they make are deemed halfhearted and insincere.
34. If he decides to stay put, again he might be criticized for being insincere and uncreative.
35. Successful schmoozing isn'tglad-handing or insincere sucking up -- although expressing since readmiration can be an important schmooze tactic.
More similar words: sincerely, insinuate, insinuation, insistence, cereal, inside, insist, in situ, cerebrum, ceremony, cerebral, in sight, insipid, insight, sorceress, cancer, insist on, ceremonial, dancer, intrinsic, insistent, insidious, since, ceremonious, concern, concert, upton sinclair, insensibly, insensible, insistently.