not exceptional in any way especially in quality or ability or size or degree | (usually followed by `to') unwilling or refusing to pay heed |
lacking special distinction, rank, or status; commonly encountered | characterized by a lack of partiality |
| fairly poor to not very good |
| neither too great nor too little |
| being neither good nor bad |
| showing no care or concern in attitude or action |
| (often followed by `to') lacking importance; not mattering one way or the other |
| marked by a lack of interest |
| having only a limited ability to react chemically; chemically inactive |
| marked by no especial liking or dislike or preference for one thing over another |