Uttermost
Part of speech: noun
Definition: The utmost; the highest or greatest degree; the farthest extent
Part of speech: adjective
Definition: Extreme; utmost; being; in the farthest, greatest, or highest degree.
Intense
Part of speech: adjective
Definition: Strained; tightly drawn; kept on the stretch; strict; very close or earnest; as, intense study or application; intense thought.Extreme in degree; excessive; immoderate; as: (a) Ardent; fervent; as, intense heat. (b) Keen; biting; as, intense cold. (c) Vehement; earnest; exceedingly strong; as, intense passion or hate. (d) Very severe; violent; as, intense pain or anguish. (e) Deep; strong; brilliant; as, intense color or light.
Example sentence: And yeah, my handicap was down to a 10 when we were at the thick of it. I trained for six or seven months, golfing every day for six hours, seven days a week, with eight trainers. It was intense.