one's own importance
1full of one's own importance — having a very high opinion of oneself; self important …
2On one's own account — Account Ac*count , n. [OE. acount, account, accompt, OF. acont, fr. aconter. See {Account}, v. t., {Count}, n., 1.] 1. A reckoning; computation; calculation; enumeration; a record of some reckoning; as, the Julian account of time. [1913 Webster]… …
3One Thousand Children — (often simply OTC ) refers to approximately 1400 mostly Jewish children who were rescued from Nazi Germany and Nazi occupied or threatened countries by entities and by individuals within the United States of America, but specifically only those… …
4One, Two, Buckle My Shoe (novel) — One, Two, Buckle My Shoe   …
5one — [wun] adj. [ME < OE an, akin to Ger ein, Goth ains < IE * oinos (> Gr oinē, L unus, OIr ōen) < * e , * ei , prefixed pronominal stem meaning “the, this, this one”] 1. being a single thing or unit; not two or more 2. characterized by… …
6Self-importance — Self im*por tance, n. An exaggerated estimate of one s own importance or merit, esp. as manifested by the conduct or manners; self conceit. [1913 Webster] …
7self-importance — noun Date: 1754 1. an exaggerated estimate of one s own importance ; self conceit 2. arrogant or pompous behavior …
8self-importance — self im·por·tance (sĕlf ĭm pôrʹtns) n. Excessively high regard for one s own importance or station; conceit. self im·porʹtant adj. self im·porʹtant·ly adv. * * * …
9self-importance — (Roget s Thesaurus II) noun An exaggerated belief in one s own importance: egoism, egotism. Informal: bighead, bigheadedness, swelled head. See SELF LOVE …
10think one's penny silver — exaggerate one s own importance, act in a conceited manner, boast …