[of old] (2) {adv. phr.} From earlier experience. * /You won't […]

[of one's life] {adj. phr.} The best or worst; greatest. - […]

[of one's own accord] or [of one's own free will] {adv. […]

[of one's own free will] See: [OF ONE'S OWN ACCORD].

[of oneself] See: [GIVE OF ONESELF].

[of service] {adj. phr.} Valuable as a source of aid; helpful; […]

[of sorts] or [of a sort] {adj. phr.} Not especially good; […]

[of the first water] {adj. phr.}, {informal} Of the finest quality; […]

[of the same mind] {adv. phr.} In agreement; in consonance. * […]

[off (one/he/she/it) goes!] {v. phr.} Said of a person, a vehicle, […]