The first rule avoids cluttering up the key with identifiers that account for only a small fraction of the total storage allocated.
The editors have packed the volume without cluttering it.
Local traffic increased enormously, crowding our old streets, cluttering and destroying the splendour of the monumental squares.
We have succeeded in cluttering up our roads.
At times of heavy trade there is much cluttering up in the docks, together with congestion and frustration.
We want to discourage him from cluttering it up, but sheer prohibition is too drastic and the wrong way to go about it.
Or must we have a joint committee cluttering up the earth with indirectly elected authorities with no popular support whatever?
We were also conscious of the need to avoid cluttering up primary legislation with unnecessary or contingent administrative detail.