OBADIAH servant of the Lord 
OBAL inconvenience of old age 
OBED a servant; workman 
OBED-EDOM servant of Edom 
OBIL that weeps; who deserves to be bewailed 
OBOTH dragons; fathers; desires 
OCRAN a disturber; that disorders 
ODED to sustain, hold or lift up 
OG a cake; bread baked in ashes 
OHAD praising; confessing 
OHEL tent; tabernacle; brightness 
OLYMPAS heavenly 
OMAR he that speaks; bitter 
OMEGA the last letter of the Greek alphabet; long O 
OMRI sheaf of corn 
ON pain; force; iniquity 
ONAM Onan, same as On 
ONESIMUS profitable; useful 
ONESIPHORUS who brings profit 
ONO grief or strength or iniquity of him 
OPHEL a tower; darkness; small white cloud 
OPHIR fruitful region 
OPHNI wearisomeness; folding together 
OPHRAH dust; lead; a fawn 
OREB a raven 
ORNAN that rejoices 
ORPAH the neck or skull 
OSHEA same as Joshua 
OTHNI my time; my hour 
OTHNIEL the hour of God 
OZEM that fasts; their eagerness 
OZIAS strength from the Lord 
OZNI an ear; my hearkening