grudging

(verb) bear a grudge; harbor ill feelings. Synonyms: stew, grudge.

(verb) accept or admit unwillingly. Synonyms: grudge.

(adj) of especially an attitude. Examples: "Gave grudging consent." "Grudging acceptance of his opponent's victory."

(adj) petty or reluctant in giving or spending. Synonyms: niggardly, scrimy. Example: "A niggardly tip."