> as lemmas
over-serious
over-serious adj.
Brit. 
/ˌəʊvəˈsɪərɪəs/
, /ˌəʊvəˈsɪərɪəs/U.S. /ˌoʊvərˈsɪriəs/
/ˌoʊvərˈsɪriəs/ΚΠ
1622 G. Wither Faire-virtue sig. Fv If you truely note her Face, You shall find it hath a grace, Neither wanton, nor ore serious.
1888 Mrs. H. Ward Robert Elsmere II. iii. xix. 144 These two people..were perhaps always over-serious, over-sensitive.
1999 Pi Mag (Univ. Coll. London Union) Feb. 12/1 An awkward and stilted storyline that exists as an over-serious attempt to justify the B-boy life style.
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as lemmas